Home / 20,229.03-30,323.94-7,739.43

Finding the Fourth Proportional to 20,229.03, 30,323.94 and 7,739.43

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Solution

The fourth proportional to 20,229.03, 30,323.94 and 7,739.43 is: 11,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.03 : 30,323.94 = 7,739.43 : x
  2. Step 2: Convert to fraction form
    20,229.03/30,323.94 = 7,739.43/x
  3. Step 3: Cross multiply
    20,229.03x = 30,323.94 × 7,739.43
  4. Step 4: Simplify right side
    20,229.03x = 234,690,010.95
  5. Step 5: Solve for x
    x = 234,690,010.95/20,229.03
  6. Step 6: Final answer
    x = 11,601.64

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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.