Finding the Fourth Proportional to 19,957.97, 29,920.72 and 7,471
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Solution
The fourth proportional to 19,957.97, 29,920.72 and 7,471 is: 11,200.42
Step by Step Solution
- Step 1: Write the proportion equation
19,957.97 : 29,920.72 = 7,471 : x - Step 2: Convert to fraction form
19,957.97/29,920.72 = 7,471/x - Step 3: Cross multiply
19,957.97x = 29,920.72 × 7,471 - Step 4: Simplify right side
19,957.97x = 223,537,699.12 - Step 5: Solve for x
x = 223,537,699.12/19,957.97 - Step 6: Final answer
x = 11,200.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.