Home / 43,612.71-65,375.33-20,255.55

Finding the Fourth Proportional to 43,612.71, 65,375.33 and 20,255.55

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Solution

The fourth proportional to 43,612.71, 65,375.33 and 20,255.55 is: 30,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.71 : 65,375.33 = 20,255.55 : x
  2. Step 2: Convert to fraction form
    43,612.71/65,375.33 = 20,255.55/x
  3. Step 3: Cross multiply
    43,612.71x = 65,375.33 × 20,255.55
  4. Step 4: Simplify right side
    43,612.71x = 1,324,213,164.30
  5. Step 5: Solve for x
    x = 1,324,213,164.30/43,612.71
  6. Step 6: Final answer
    x = 30,363.01

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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.