Home / 44,505.20-66,757.80-21,177.20

Finding the Fourth Proportional to 44,505.20, 66,757.80 and 21,177.20

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Solution

The fourth proportional to 44,505.20, 66,757.80 and 21,177.20 is: 31,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,505.20 : 66,757.80 = 21,177.20 : x
  2. Step 2: Convert to fraction form
    44,505.20/66,757.80 = 21,177.20/x
  3. Step 3: Cross multiply
    44,505.20x = 66,757.80 × 21,177.20
  4. Step 4: Simplify right side
    44,505.20x = 1,413,743,282.16
  5. Step 5: Solve for x
    x = 1,413,743,282.16/44,505.20
  6. Step 6: Final answer
    x = 31,765.80

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1.5x scale

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.