Home / 43,874.22-65,811.33-20,517.06

Finding the Fourth Proportional to 43,874.22, 65,811.33 and 20,517.06

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Solution

The fourth proportional to 43,874.22, 65,811.33 and 20,517.06 is: 30,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,874.22 : 65,811.33 = 20,517.06 : x
  2. Step 2: Convert to fraction form
    43,874.22/65,811.33 = 20,517.06/x
  3. Step 3: Cross multiply
    43,874.22x = 65,811.33 × 20,517.06
  4. Step 4: Simplify right side
    43,874.22x = 1,350,255,006.29
  5. Step 5: Solve for x
    x = 1,350,255,006.29/43,874.22
  6. Step 6: Final answer
    x = 30,775.59

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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.