Home / 40,170.74-55,432.49-22,265.42

Finding the Fourth Proportional to 40,170.74, 55,432.49 and 22,265.42

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Solution

The fourth proportional to 40,170.74, 55,432.49 and 22,265.42 is: 30,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.74 : 55,432.49 = 22,265.42 : x
  2. Step 2: Convert to fraction form
    40,170.74/55,432.49 = 22,265.42/x
  3. Step 3: Cross multiply
    40,170.74x = 55,432.49 × 22,265.42
  4. Step 4: Simplify right side
    40,170.74x = 1,234,227,283.01
  5. Step 5: Solve for x
    x = 1,234,227,283.01/40,170.74
  6. Step 6: Final answer
    x = 30,724.54

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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.