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Finding the Fourth Proportional to 57,600.38, 79,488.52 and 32,449.88

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Solution

The fourth proportional to 57,600.38, 79,488.52 and 32,449.88 is: 44,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,600.38 : 79,488.52 = 32,449.88 : x
  2. Step 2: Convert to fraction form
    57,600.38/79,488.52 = 32,449.88/x
  3. Step 3: Cross multiply
    57,600.38x = 79,488.52 × 32,449.88
  4. Step 4: Simplify right side
    57,600.38x = 2,579,392,456.81
  5. Step 5: Solve for x
    x = 2,579,392,456.81/57,600.38
  6. Step 6: Final answer
    x = 44,780.83

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1.5x scale

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.