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Finding the Fourth Proportional to 57,591.30, 79,474.53 and 32,097.78

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Solution

The fourth proportional to 57,591.30, 79,474.53 and 32,097.78 is: 44,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,591.30 : 79,474.53 = 32,097.78 : x
  2. Step 2: Convert to fraction form
    57,591.30/79,474.53 = 32,097.78/x
  3. Step 3: Cross multiply
    57,591.30x = 79,474.53 × 32,097.78
  4. Step 4: Simplify right side
    57,591.30x = 2,550,955,979.54
  5. Step 5: Solve for x
    x = 2,550,955,979.54/57,591.30
  6. Step 6: Final answer
    x = 44,294.12

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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.