Home / 38,539.20-57,808.80-29,791.20

Finding the Fourth Proportional to 38,539.20, 57,808.80 and 29,791.20

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Solution

The fourth proportional to 38,539.20, 57,808.80 and 29,791.20 is: 44,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.20 : 57,808.80 = 29,791.20 : x
  2. Step 2: Convert to fraction form
    38,539.20/57,808.80 = 29,791.20/x
  3. Step 3: Cross multiply
    38,539.20x = 57,808.80 × 29,791.20
  4. Step 4: Simplify right side
    38,539.20x = 1,722,193,522.56
  5. Step 5: Solve for x
    x = 1,722,193,522.56/38,539.20
  6. Step 6: Final answer
    x = 44,686.80

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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.