Finding the Fourth Proportional to 57,499, 86,248.50 and 15,946
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Solution
The fourth proportional to 57,499, 86,248.50 and 15,946 is: 23,919
Step by Step Solution
- Step 1: Write the proportion equation
57,499 : 86,248.50 = 15,946 : x - Step 2: Convert to fraction form
57,499/86,248.50 = 15,946/x - Step 3: Cross multiply
57,499x = 86,248.50 × 15,946 - Step 4: Simplify right side
57,499x = 1,375,318,581 - Step 5: Solve for x
x = 1,375,318,581/57,499 - Step 6: Final answer
x = 23,919
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.