Home / 31,468.64-43,425.11-17,318.75

Finding the Fourth Proportional to 31,468.64, 43,425.11 and 17,318.75

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Solution

The fourth proportional to 31,468.64, 43,425.11 and 17,318.75 is: 23,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.64 : 43,425.11 = 17,318.75 : x
  2. Step 2: Convert to fraction form
    31,468.64/43,425.11 = 17,318.75/x
  3. Step 3: Cross multiply
    31,468.64x = 43,425.11 × 17,318.75
  4. Step 4: Simplify right side
    31,468.64x = 752,068,449.98
  5. Step 5: Solve for x
    x = 752,068,449.98/31,468.64
  6. Step 6: Final answer
    x = 23,898.99

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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.