Home / 40,223.29-55,511.18-22,321.68

Finding the Fourth Proportional to 40,223.29, 55,511.18 and 22,321.68

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Solution

The fourth proportional to 40,223.29, 55,511.18 and 22,321.68 is: 30,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.29 : 55,511.18 = 22,321.68 : x
  2. Step 2: Convert to fraction form
    40,223.29/55,511.18 = 22,321.68/x
  3. Step 3: Cross multiply
    40,223.29x = 55,511.18 × 22,321.68
  4. Step 4: Simplify right side
    40,223.29x = 1,239,102,796.38
  5. Step 5: Solve for x
    x = 1,239,102,796.38/40,223.29
  6. Step 6: Final answer
    x = 30,805.61

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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.