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Finding the Fourth Proportional to 44,372.80, 66,494.40 and 37,763.20

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Solution

The fourth proportional to 44,372.80, 66,494.40 and 37,763.20 is: 56,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,372.80 : 66,494.40 = 37,763.20 : x
  2. Step 2: Convert to fraction form
    44,372.80/66,494.40 = 37,763.20/x
  3. Step 3: Cross multiply
    44,372.80x = 66,494.40 × 37,763.20
  4. Step 4: Simplify right side
    44,372.80x = 2,511,041,326.08
  5. Step 5: Solve for x
    x = 2,511,041,326.08/44,372.80
  6. Step 6: Final answer
    x = 56,589.65

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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.