Home / 31,520.28-43,497.86-17,373.12

Finding the Fourth Proportional to 31,520.28, 43,497.86 and 17,373.12

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Solution

The fourth proportional to 31,520.28, 43,497.86 and 17,373.12 is: 23,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.28 : 43,497.86 = 17,373.12 : x
  2. Step 2: Convert to fraction form
    31,520.28/43,497.86 = 17,373.12/x
  3. Step 3: Cross multiply
    31,520.28x = 43,497.86 × 17,373.12
  4. Step 4: Simplify right side
    31,520.28x = 755,693,454.66
  5. Step 5: Solve for x
    x = 755,693,454.66/31,520.28
  6. Step 6: Final answer
    x = 23,974.83

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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.