Home / 69,781.56-104,672.64-22,403.85

Finding the Fourth Proportional to 69,781.56, 104,672.64 and 22,403.85

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Solution

The fourth proportional to 69,781.56, 104,672.64 and 22,403.85 is: 33,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781.56 : 104,672.64 = 22,403.85 : x
  2. Step 2: Convert to fraction form
    69,781.56/104,672.64 = 22,403.85/x
  3. Step 3: Cross multiply
    69,781.56x = 104,672.64 × 22,403.85
  4. Step 4: Simplify right side
    69,781.56x = 2,345,070,125.66
  5. Step 5: Solve for x
    x = 2,345,070,125.66/69,781.56
  6. Step 6: Final answer
    x = 33,605.87

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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.