Home / 40,203.54-55,481.22-22,299.71

Finding the Fourth Proportional to 40,203.54, 55,481.22 and 22,299.71

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Solution

The fourth proportional to 40,203.54, 55,481.22 and 22,299.71 is: 30,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203.54 : 55,481.22 = 22,299.71 : x
  2. Step 2: Convert to fraction form
    40,203.54/55,481.22 = 22,299.71/x
  3. Step 3: Cross multiply
    40,203.54x = 55,481.22 × 22,299.71
  4. Step 4: Simplify right side
    40,203.54x = 1,237,214,839.04
  5. Step 5: Solve for x
    x = 1,237,214,839.04/40,203.54
  6. Step 6: Final answer
    x = 30,773.78

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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.