Finding the Fourth Proportional to 71,421.30, 107,141.76 and 24,040.08
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Solution
The fourth proportional to 71,421.30, 107,141.76 and 24,040.08 is: 36,063.42
Step by Step Solution
- Step 1: Write the proportion equation
71,421.30 : 107,141.76 = 24,040.08 : x - Step 2: Convert to fraction form
71,421.30/107,141.76 = 24,040.08/x - Step 3: Cross multiply
71,421.30x = 107,141.76 × 24,040.08 - Step 4: Simplify right side
71,421.30x = 2,575,696,481.74 - Step 5: Solve for x
x = 2,575,696,481.74/71,421.30 - Step 6: Final answer
x = 36,063.42
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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.