Home / 31,449.28-43,401.12-17,301.76

Finding the Fourth Proportional to 31,449.28, 43,401.12 and 17,301.76

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Solution

The fourth proportional to 31,449.28, 43,401.12 and 17,301.76 is: 23,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.28 : 43,401.12 = 17,301.76 : x
  2. Step 2: Convert to fraction form
    31,449.28/43,401.12 = 17,301.76/x
  3. Step 3: Cross multiply
    31,449.28x = 43,401.12 × 17,301.76
  4. Step 4: Simplify right side
    31,449.28x = 750,915,761.97
  5. Step 5: Solve for x
    x = 750,915,761.97/31,449.28
  6. Step 6: Final answer
    x = 23,877.04

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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.