Home / 40,079.22-55,310.20-22,175.48

Finding the Fourth Proportional to 40,079.22, 55,310.20 and 22,175.48

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Solution

The fourth proportional to 40,079.22, 55,310.20 and 22,175.48 is: 30,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.22 : 55,310.20 = 22,175.48 : x
  2. Step 2: Convert to fraction form
    40,079.22/55,310.20 = 22,175.48/x
  3. Step 3: Cross multiply
    40,079.22x = 55,310.20 × 22,175.48
  4. Step 4: Simplify right side
    40,079.22x = 1,226,530,233.90
  5. Step 5: Solve for x
    x = 1,226,530,233.90/40,079.22
  6. Step 6: Final answer
    x = 30,602.65

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1.5x scale

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.