Home / 40,517.15-55,919.31-22,613.31

Finding the Fourth Proportional to 40,517.15, 55,919.31 and 22,613.31

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Solution

The fourth proportional to 40,517.15, 55,919.31 and 22,613.31 is: 31,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.15 : 55,919.31 = 22,613.31 : x
  2. Step 2: Convert to fraction form
    40,517.15/55,919.31 = 22,613.31/x
  3. Step 3: Cross multiply
    40,517.15x = 55,919.31 × 22,613.31
  4. Step 4: Simplify right side
    40,517.15x = 1,264,520,734.42
  5. Step 5: Solve for x
    x = 1,264,520,734.42/40,517.15
  6. Step 6: Final answer
    x = 31,209.52

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Why These Related Problems?

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