Home / 40,199.22-55,471.20-22,293.90

Finding the Fourth Proportional to 40,199.22, 55,471.20 and 22,293.90

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Solution

The fourth proportional to 40,199.22, 55,471.20 and 22,293.90 is: 30,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.22 : 55,471.20 = 22,293.90 : x
  2. Step 2: Convert to fraction form
    40,199.22/55,471.20 = 22,293.90/x
  3. Step 3: Cross multiply
    40,199.22x = 55,471.20 × 22,293.90
  4. Step 4: Simplify right side
    40,199.22x = 1,236,669,385.68
  5. Step 5: Solve for x
    x = 1,236,669,385.68/40,199.22
  6. Step 6: Final answer
    x = 30,763.52

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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.