Home / 40,234.88-55,521.55-22,329.90

Finding the Fourth Proportional to 40,234.88, 55,521.55 and 22,329.90

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Solution

The fourth proportional to 40,234.88, 55,521.55 and 22,329.90 is: 30,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.88 : 55,521.55 = 22,329.90 : x
  2. Step 2: Convert to fraction form
    40,234.88/55,521.55 = 22,329.90/x
  3. Step 3: Cross multiply
    40,234.88x = 55,521.55 × 22,329.90
  4. Step 4: Simplify right side
    40,234.88x = 1,239,790,687.26
  5. Step 5: Solve for x
    x = 1,239,790,687.26/40,234.88
  6. Step 6: Final answer
    x = 30,813.83

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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.