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Finding the Fourth Proportional to 53,363.63, 73,635.53 and 29,488.88

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Solution

The fourth proportional to 53,363.63, 73,635.53 and 29,488.88 is: 40,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.63 : 73,635.53 = 29,488.88 : x
  2. Step 2: Convert to fraction form
    53,363.63/73,635.53 = 29,488.88/x
  3. Step 3: Cross multiply
    53,363.63x = 73,635.53 × 29,488.88
  4. Step 4: Simplify right side
    53,363.63x = 2,171,428,792.28
  5. Step 5: Solve for x
    x = 2,171,428,792.28/53,363.63
  6. Step 6: Final answer
    x = 40,691.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.