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Finding the Fourth Proportional to 71,484.73, 107,227.87 and 21,565.26

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Solution

The fourth proportional to 71,484.73, 107,227.87 and 21,565.26 is: 32,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,484.73 : 107,227.87 = 21,565.26 : x
  2. Step 2: Convert to fraction form
    71,484.73/107,227.87 = 21,565.26/x
  3. Step 3: Cross multiply
    71,484.73x = 107,227.87 × 21,565.26
  4. Step 4: Simplify right side
    71,484.73x = 2,312,396,841.88
  5. Step 5: Solve for x
    x = 2,312,396,841.88/71,484.73
  6. Step 6: Final answer
    x = 32,348.12

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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.