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Finding the Fourth Proportional to 62,819.64, 94,229.52 and 29,515.28

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Solution

The fourth proportional to 62,819.64, 94,229.52 and 29,515.28 is: 44,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,819.64 : 94,229.52 = 29,515.28 : x
  2. Step 2: Convert to fraction form
    62,819.64/94,229.52 = 29,515.28/x
  3. Step 3: Cross multiply
    62,819.64x = 94,229.52 × 29,515.28
  4. Step 4: Simplify right side
    62,819.64x = 2,781,210,667.07
  5. Step 5: Solve for x
    x = 2,781,210,667.07/62,819.64
  6. Step 6: Final answer
    x = 44,272.95

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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.