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Finding the Fourth Proportional to 40,175.80, 55,445.88 and 22,276.42

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Solution

The fourth proportional to 40,175.80, 55,445.88 and 22,276.42 is: 30,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.80 : 55,445.88 = 22,276.42 : x
  2. Step 2: Convert to fraction form
    40,175.80/55,445.88 = 22,276.42/x
  3. Step 3: Cross multiply
    40,175.80x = 55,445.88 × 22,276.42
  4. Step 4: Simplify right side
    40,175.80x = 1,235,135,710.15
  5. Step 5: Solve for x
    x = 1,235,135,710.15/40,175.80
  6. Step 6: Final answer
    x = 30,743.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.