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Finding the Fourth Proportional to 41,304.40, 61,972.80 and 15,011.80

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Solution

The fourth proportional to 41,304.40, 61,972.80 and 15,011.80 is: 22,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,304.40 : 61,972.80 = 15,011.80 : x
  2. Step 2: Convert to fraction form
    41,304.40/61,972.80 = 15,011.80/x
  3. Step 3: Cross multiply
    41,304.40x = 61,972.80 × 15,011.80
  4. Step 4: Simplify right side
    41,304.40x = 930,323,279.04
  5. Step 5: Solve for x
    x = 930,323,279.04/41,304.40
  6. Step 6: Final answer
    x = 22,523.59

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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.