Home / 38,079.80-57,101.94-20,306.04

Finding the Fourth Proportional to 38,079.80, 57,101.94 and 20,306.04

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Solution

The fourth proportional to 38,079.80, 57,101.94 and 20,306.04 is: 30,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.80 : 57,101.94 = 20,306.04 : x
  2. Step 2: Convert to fraction form
    38,079.80/57,101.94 = 20,306.04/x
  3. Step 3: Cross multiply
    38,079.80x = 57,101.94 × 20,306.04
  4. Step 4: Simplify right side
    38,079.80x = 1,159,514,277.72
  5. Step 5: Solve for x
    x = 1,159,514,277.72/38,079.80
  6. Step 6: Final answer
    x = 30,449.59

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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.