The phrase "a prosperous background" is correct and usable in written English.
It can be used to describe someone's upbringing or environment that is financially successful or advantageous.
Example: "Having come from a prosperous background, she was able to pursue her education without financial worries."
Alternatives: "a wealthy upbringing" or "an affluent background."
From a prosperous background, we felt we were being treated as beggars.
Her mother, Jenny, is beautiful and progressive with a prosperous background, housekeeper Helene Demuth is a homely "second mother", and Friedrich Engels – the Angel – is a kindly uncle with bottomless pockets from which he subs the shabby Marx family so that they may continue with their vitally important work.
She was educated and accomplished, hailing from a prosperous background.
Their leader was Enver Hoxha, a teacher from a relatively prosperous background.
Ayush is from a more prosperous background, and recently signed on to a new film, "Shyam's Secret," and is promoting it in Cannes for five days.
What information do you have about African Americans and Princeton University? A. Until the twentieth century, Princeton's history has mostly been dominated by white men, typically from prosperous backgrounds.
A senior Russian official said that among the rebels in recent raids in southern Russia was a 15-year-old boy and that most of the rebels were young local men, many from prosperous backgrounds.
American students from prosperous backgrounds scored on average 110 points higher on reading tests than disadvantaged students, about the same disparity that exists between the average scores in the United States and Tunisia.
(That said, we should not make the mistake of assuming that this poverty is the principal cause of support for organizations like Al Qaeda, most of whose recruits come from relatively prosperous backgrounds).
"While I'm proud that so many children from prosperous backgrounds do brilliantly at school, it makes me angry that it's three times harder to get good school results if you're from a poorer family than a prosperous family".
After Mr Fraser died on March 20th, aged 84, eulogies remembered him as the father of progressive reforms that shaped modern Australia, not least its multicultural immigration policy.Mr Fraser's background as a prosperous farmer from the state of Victoria made him an unlikely agent for change.
