Home / 31,229.80-43,096.38-17,081.72

Finding the Fourth Proportional to 31,229.80, 43,096.38 and 17,081.72

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Solution

The fourth proportional to 31,229.80, 43,096.38 and 17,081.72 is: 23,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229.80 : 43,096.38 = 17,081.72 : x
  2. Step 2: Convert to fraction form
    31,229.80/43,096.38 = 17,081.72/x
  3. Step 3: Cross multiply
    31,229.80x = 43,096.38 × 17,081.72
  4. Step 4: Simplify right side
    31,229.80x = 736,160,296.17
  5. Step 5: Solve for x
    x = 736,160,296.17/31,229.80
  6. Step 6: Final answer
    x = 23,572.37

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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.