Home / 31,282.38-43,168.26-17,134.92

Finding the Fourth Proportional to 31,282.38, 43,168.26 and 17,134.92

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Solution

The fourth proportional to 31,282.38, 43,168.26 and 17,134.92 is: 23,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.38 : 43,168.26 = 17,134.92 : x
  2. Step 2: Convert to fraction form
    31,282.38/43,168.26 = 17,134.92/x
  3. Step 3: Cross multiply
    31,282.38x = 43,168.26 × 17,134.92
  4. Step 4: Simplify right side
    31,282.38x = 739,684,681.64
  5. Step 5: Solve for x
    x = 739,684,681.64/31,282.38
  6. Step 6: Final answer
    x = 23,645.41

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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.