Home / 29,939.28-41,317.14-18,456.72

Finding the Fourth Proportional to 29,939.28, 41,317.14 and 18,456.72

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Solution

The fourth proportional to 29,939.28, 41,317.14 and 18,456.72 is: 25,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939.28 : 41,317.14 = 18,456.72 : x
  2. Step 2: Convert to fraction form
    29,939.28/41,317.14 = 18,456.72/x
  3. Step 3: Cross multiply
    29,939.28x = 41,317.14 × 18,456.72
  4. Step 4: Simplify right side
    29,939.28x = 762,578,884.18
  5. Step 5: Solve for x
    x = 762,578,884.18/29,939.28
  6. Step 6: Final answer
    x = 25,470.85

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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.