Home / 31,517.20-43,493.14-17,177.15

Finding the Fourth Proportional to 31,517.20, 43,493.14 and 17,177.15

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Solution

The fourth proportional to 31,517.20, 43,493.14 and 17,177.15 is: 23,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.20 : 43,493.14 = 17,177.15 : x
  2. Step 2: Convert to fraction form
    31,517.20/43,493.14 = 17,177.15/x
  3. Step 3: Cross multiply
    31,517.20x = 43,493.14 × 17,177.15
  4. Step 4: Simplify right side
    31,517.20x = 747,088,189.75
  5. Step 5: Solve for x
    x = 747,088,189.75/31,517.20
  6. Step 6: Final answer
    x = 23,704.14

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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.