Home / 40,218.32-55,499.38-22,314.69

Finding the Fourth Proportional to 40,218.32, 55,499.38 and 22,314.69

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Solution

The fourth proportional to 40,218.32, 55,499.38 and 22,314.69 is: 30,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.32 : 55,499.38 = 22,314.69 : x
  2. Step 2: Convert to fraction form
    40,218.32/55,499.38 = 22,314.69/x
  3. Step 3: Cross multiply
    40,218.32x = 55,499.38 × 22,314.69
  4. Step 4: Simplify right side
    40,218.32x = 1,238,451,404.11
  5. Step 5: Solve for x
    x = 1,238,451,404.11/40,218.32
  6. Step 6: Final answer
    x = 30,793.21

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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.