Home / 31,301.82-43,171.38-27,516.90

Finding the Fourth Proportional to 31,301.82, 43,171.38 and 27,516.90

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Solution

The fourth proportional to 31,301.82, 43,171.38 and 27,516.90 is: 37,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.82 : 43,171.38 = 27,516.90 : x
  2. Step 2: Convert to fraction form
    31,301.82/43,171.38 = 27,516.90/x
  3. Step 3: Cross multiply
    31,301.82x = 43,171.38 × 27,516.90
  4. Step 4: Simplify right side
    31,301.82x = 1,187,942,546.32
  5. Step 5: Solve for x
    x = 1,187,942,546.32/31,301.82
  6. Step 6: Final answer
    x = 37,951.23

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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.