Home / 57,110.45-85,686.18-25,517.87

Finding the Fourth Proportional to 57,110.45, 85,686.18 and 25,517.87

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Solution

The fourth proportional to 57,110.45, 85,686.18 and 25,517.87 is: 38,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,110.45 : 85,686.18 = 25,517.87 : x
  2. Step 2: Convert to fraction form
    57,110.45/85,686.18 = 25,517.87/x
  3. Step 3: Cross multiply
    57,110.45x = 85,686.18 × 25,517.87
  4. Step 4: Simplify right side
    57,110.45x = 2,186,528,373.61
  5. Step 5: Solve for x
    x = 2,186,528,373.61/57,110.45
  6. Step 6: Final answer
    x = 38,285.96

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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.