Home / 31,468.26-43,425.90-17,320.98

Finding the Fourth Proportional to 31,468.26, 43,425.90 and 17,320.98

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Solution

The fourth proportional to 31,468.26, 43,425.90 and 17,320.98 is: 23,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.26 : 43,425.90 = 17,320.98 : x
  2. Step 2: Convert to fraction form
    31,468.26/43,425.90 = 17,320.98/x
  3. Step 3: Cross multiply
    31,468.26x = 43,425.90 × 17,320.98
  4. Step 4: Simplify right side
    31,468.26x = 752,179,145.38
  5. Step 5: Solve for x
    x = 752,179,145.38/31,468.26
  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.