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Finding the Fourth Proportional to 41,901.73, 62,839.22 and 13,816.55

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Solution

The fourth proportional to 41,901.73, 62,839.22 and 13,816.55 is: 20,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,901.73 : 62,839.22 = 13,816.55 : x
  2. Step 2: Convert to fraction form
    41,901.73/62,839.22 = 13,816.55/x
  3. Step 3: Cross multiply
    41,901.73x = 62,839.22 × 13,816.55
  4. Step 4: Simplify right side
    41,901.73x = 868,221,313.11
  5. Step 5: Solve for x
    x = 868,221,313.11/41,901.73
  6. Step 6: Final answer
    x = 20,720.42

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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.