Home / 57,121.03-85,679.41-15,000.73

Finding the Fourth Proportional to 57,121.03, 85,679.41 and 15,000.73

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Solution

The fourth proportional to 57,121.03, 85,679.41 and 15,000.73 is: 22,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.03 : 85,679.41 = 15,000.73 : x
  2. Step 2: Convert to fraction form
    57,121.03/85,679.41 = 15,000.73/x
  3. Step 3: Cross multiply
    57,121.03x = 85,679.41 × 15,000.73
  4. Step 4: Simplify right side
    57,121.03x = 1,285,253,695.97
  5. Step 5: Solve for x
    x = 1,285,253,695.97/57,121.03
  6. Step 6: Final answer
    x = 22,500.53

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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.