Home / 31,468.76-43,425.28-17,318.88

Finding the Fourth Proportional to 31,468.76, 43,425.28 and 17,318.88

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Solution

The fourth proportional to 31,468.76, 43,425.28 and 17,318.88 is: 23,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.76 : 43,425.28 = 17,318.88 : x
  2. Step 2: Convert to fraction form
    31,468.76/43,425.28 = 17,318.88/x
  3. Step 3: Cross multiply
    31,468.76x = 43,425.28 × 17,318.88
  4. Step 4: Simplify right side
    31,468.76x = 752,077,213.29
  5. Step 5: Solve for x
    x = 752,077,213.29/31,468.76
  6. Step 6: Final answer
    x = 23,899.17

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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.