Home / 63,869.85-95,745.20-21,721.13

Finding the Fourth Proportional to 63,869.85, 95,745.20 and 21,721.13

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Solution

The fourth proportional to 63,869.85, 95,745.20 and 21,721.13 is: 32,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,869.85 : 95,745.20 = 21,721.13 : x
  2. Step 2: Convert to fraction form
    63,869.85/95,745.20 = 21,721.13/x
  3. Step 3: Cross multiply
    63,869.85x = 95,745.20 × 21,721.13
  4. Step 4: Simplify right side
    63,869.85x = 2,079,693,403.05
  5. Step 5: Solve for x
    x = 2,079,693,403.05/63,869.85
  6. Step 6: Final answer
    x = 32,561.43

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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.