Home / 44,158.88-66,207-20,772.56

Finding the Fourth Proportional to 44,158.88, 66,207 and 20,772.56

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Solution

The fourth proportional to 44,158.88, 66,207 and 20,772.56 is: 31,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,158.88 : 66,207 = 20,772.56 : x
  2. Step 2: Convert to fraction form
    44,158.88/66,207 = 20,772.56/x
  3. Step 3: Cross multiply
    44,158.88x = 66,207 × 20,772.56
  4. Step 4: Simplify right side
    44,158.88x = 1,375,288,879.92
  5. Step 5: Solve for x
    x = 1,375,288,879.92/44,158.88
  6. Step 6: Final answer
    x = 31,144.11

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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.