Home / 38,679.26-57,979.19-22,003.79

Finding the Fourth Proportional to 38,679.26, 57,979.19 and 22,003.79

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Solution

The fourth proportional to 38,679.26, 57,979.19 and 22,003.79 is: 32,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.26 : 57,979.19 = 22,003.79 : x
  2. Step 2: Convert to fraction form
    38,679.26/57,979.19 = 22,003.79/x
  3. Step 3: Cross multiply
    38,679.26x = 57,979.19 × 22,003.79
  4. Step 4: Simplify right side
    38,679.26x = 1,275,761,521.22
  5. Step 5: Solve for x
    x = 1,275,761,521.22/38,679.26
  6. Step 6: Final answer
    x = 32,983.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.