Home / 31,468.12-43,425.96-17,320.88

Finding the Fourth Proportional to 31,468.12, 43,425.96 and 17,320.88

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Solution

The fourth proportional to 31,468.12, 43,425.96 and 17,320.88 is: 23,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.12 : 43,425.96 = 17,320.88 : x
  2. Step 2: Convert to fraction form
    31,468.12/43,425.96 = 17,320.88/x
  3. Step 3: Cross multiply
    31,468.12x = 43,425.96 × 17,320.88
  4. Step 4: Simplify right side
    31,468.12x = 752,175,842.04
  5. Step 5: Solve for x
    x = 752,175,842.04/31,468.12
  6. Step 6: Final answer
    x = 23,902.79

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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.