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Finding the Fourth Proportional to 57,000.52, 85,500.80 and 15,447.52

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Solution

The fourth proportional to 57,000.52, 85,500.80 and 15,447.52 is: 23,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.52 : 85,500.80 = 15,447.52 : x
  2. Step 2: Convert to fraction form
    57,000.52/85,500.80 = 15,447.52/x
  3. Step 3: Cross multiply
    57,000.52x = 85,500.80 × 15,447.52
  4. Step 4: Simplify right side
    57,000.52x = 1,320,775,318.02
  5. Step 5: Solve for x
    x = 1,320,775,318.02/57,000.52
  6. Step 6: Final answer
    x = 23,171.29

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1.5x scale

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.