Home / 40,149.90-55,407.33-22,245.12

Finding the Fourth Proportional to 40,149.90, 55,407.33 and 22,245.12

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Solution

The fourth proportional to 40,149.90, 55,407.33 and 22,245.12 is: 30,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.90 : 55,407.33 = 22,245.12 : x
  2. Step 2: Convert to fraction form
    40,149.90/55,407.33 = 22,245.12/x
  3. Step 3: Cross multiply
    40,149.90x = 55,407.33 × 22,245.12
  4. Step 4: Simplify right side
    40,149.90x = 1,232,542,704.73
  5. Step 5: Solve for x
    x = 1,232,542,704.73/40,149.90
  6. Step 6: Final answer
    x = 30,698.52

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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.