Home / 40,198.14-55,472.36-22,293.08

Finding the Fourth Proportional to 40,198.14, 55,472.36 and 22,293.08

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Solution

The fourth proportional to 40,198.14, 55,472.36 and 22,293.08 is: 30,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.14 : 55,472.36 = 22,293.08 : x
  2. Step 2: Convert to fraction form
    40,198.14/55,472.36 = 22,293.08/x
  3. Step 3: Cross multiply
    40,198.14x = 55,472.36 × 22,293.08
  4. Step 4: Simplify right side
    40,198.14x = 1,236,649,759.27
  5. Step 5: Solve for x
    x = 1,236,649,759.27/40,198.14
  6. Step 6: Final answer
    x = 30,763.86

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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.