Home / 55,580.43-83,379.33-18,131.85

Finding the Fourth Proportional to 55,580.43, 83,379.33 and 18,131.85

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Solution

The fourth proportional to 55,580.43, 83,379.33 and 18,131.85 is: 27,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.43 : 83,379.33 = 18,131.85 : x
  2. Step 2: Convert to fraction form
    55,580.43/83,379.33 = 18,131.85/x
  3. Step 3: Cross multiply
    55,580.43x = 83,379.33 × 18,131.85
  4. Step 4: Simplify right side
    55,580.43x = 1,511,821,504.66
  5. Step 5: Solve for x
    x = 1,511,821,504.66/55,580.43
  6. Step 6: Final answer
    x = 27,200.61

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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.