Home / 31,288.28-43,177.91-17,141.13

Finding the Fourth Proportional to 31,288.28, 43,177.91 and 17,141.13

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Solution

The fourth proportional to 31,288.28, 43,177.91 and 17,141.13 is: 23,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.28 : 43,177.91 = 17,141.13 : x
  2. Step 2: Convert to fraction form
    31,288.28/43,177.91 = 17,141.13/x
  3. Step 3: Cross multiply
    31,288.28x = 43,177.91 × 17,141.13
  4. Step 4: Simplify right side
    31,288.28x = 740,118,082.73
  5. Step 5: Solve for x
    x = 740,118,082.73/31,288.28
  6. Step 6: Final answer
    x = 23,654.81

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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.