Home / 38,469.82-57,704.12-19,739.04

Finding the Fourth Proportional to 38,469.82, 57,704.12 and 19,739.04

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Solution

The fourth proportional to 38,469.82, 57,704.12 and 19,739.04 is: 29,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.82 : 57,704.12 = 19,739.04 : x
  2. Step 2: Convert to fraction form
    38,469.82/57,704.12 = 19,739.04/x
  3. Step 3: Cross multiply
    38,469.82x = 57,704.12 × 19,739.04
  4. Step 4: Simplify right side
    38,469.82x = 1,139,023,932.84
  5. Step 5: Solve for x
    x = 1,139,023,932.84/38,469.82
  6. Step 6: Final answer
    x = 29,608.25

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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.