Home / 40,174.75-55,435.33-22,269.75

Finding the Fourth Proportional to 40,174.75, 55,435.33 and 22,269.75

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Solution

The fourth proportional to 40,174.75, 55,435.33 and 22,269.75 is: 30,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.75 : 55,435.33 = 22,269.75 : x
  2. Step 2: Convert to fraction form
    40,174.75/55,435.33 = 22,269.75/x
  3. Step 3: Cross multiply
    40,174.75x = 55,435.33 × 22,269.75
  4. Step 4: Simplify right side
    40,174.75x = 1,234,530,940.27
  5. Step 5: Solve for x
    x = 1,234,530,940.27/40,174.75
  6. Step 6: Final answer
    x = 30,729.03

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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.