Home / 40,170.48-55,432.20-22,265.11

Finding the Fourth Proportional to 40,170.48, 55,432.20 and 22,265.11

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Solution

The fourth proportional to 40,170.48, 55,432.20 and 22,265.11 is: 30,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.48 : 55,432.20 = 22,265.11 : x
  2. Step 2: Convert to fraction form
    40,170.48/55,432.20 = 22,265.11/x
  3. Step 3: Cross multiply
    40,170.48x = 55,432.20 × 22,265.11
  4. Step 4: Simplify right side
    40,170.48x = 1,234,204,030.54
  5. Step 5: Solve for x
    x = 1,234,204,030.54/40,170.48
  6. Step 6: Final answer
    x = 30,724.15

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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.