Home / 31,301.71-43,171.20-27,516.85

Finding the Fourth Proportional to 31,301.71, 43,171.20 and 27,516.85

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Solution

The fourth proportional to 31,301.71, 43,171.20 and 27,516.85 is: 37,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.71 : 43,171.20 = 27,516.85 : x
  2. Step 2: Convert to fraction form
    31,301.71/43,171.20 = 27,516.85/x
  3. Step 3: Cross multiply
    31,301.71x = 43,171.20 × 27,516.85
  4. Step 4: Simplify right side
    31,301.71x = 1,187,935,326.79
  5. Step 5: Solve for x
    x = 1,187,935,326.79/31,301.71
  6. Step 6: Final answer
    x = 37,951.13

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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.