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Finding the Fourth Proportional to 57,439.53, 79,251.57 and 33,552.63

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Solution

The fourth proportional to 57,439.53, 79,251.57 and 33,552.63 is: 46,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.53 : 79,251.57 = 33,552.63 : x
  2. Step 2: Convert to fraction form
    57,439.53/79,251.57 = 33,552.63/x
  3. Step 3: Cross multiply
    57,439.53x = 79,251.57 × 33,552.63
  4. Step 4: Simplify right side
    57,439.53x = 2,659,098,605.13
  5. Step 5: Solve for x
    x = 2,659,098,605.13/57,439.53
  6. Step 6: Final answer
    x = 46,293.88

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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.