Home / 31,306.38-43,201.80-17,158.92

Finding the Fourth Proportional to 31,306.38, 43,201.80 and 17,158.92

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Solution

The fourth proportional to 31,306.38, 43,201.80 and 17,158.92 is: 23,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.38 : 43,201.80 = 17,158.92 : x
  2. Step 2: Convert to fraction form
    31,306.38/43,201.80 = 17,158.92/x
  3. Step 3: Cross multiply
    31,306.38x = 43,201.80 × 17,158.92
  4. Step 4: Simplify right side
    31,306.38x = 741,296,230.06
  5. Step 5: Solve for x
    x = 741,296,230.06/31,306.38
  6. Step 6: Final answer
    x = 23,678.76

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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.