Home / 40,327.62-55,649.48-22,421.96

Finding the Fourth Proportional to 40,327.62, 55,649.48 and 22,421.96

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Solution

The fourth proportional to 40,327.62, 55,649.48 and 22,421.96 is: 30,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.62 : 55,649.48 = 22,421.96 : x
  2. Step 2: Convert to fraction form
    40,327.62/55,649.48 = 22,421.96/x
  3. Step 3: Cross multiply
    40,327.62x = 55,649.48 × 22,421.96
  4. Step 4: Simplify right side
    40,327.62x = 1,247,770,414.58
  5. Step 5: Solve for x
    x = 1,247,770,414.58/40,327.62
  6. Step 6: Final answer
    x = 30,940.84

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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.