Home / 40,331.80-60,432.90-33,722.20

Finding the Fourth Proportional to 40,331.80, 60,432.90 and 33,722.20

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Solution

The fourth proportional to 40,331.80, 60,432.90 and 33,722.20 is: 50,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331.80 : 60,432.90 = 33,722.20 : x
  2. Step 2: Convert to fraction form
    40,331.80/60,432.90 = 33,722.20/x
  3. Step 3: Cross multiply
    40,331.80x = 60,432.90 × 33,722.20
  4. Step 4: Simplify right side
    40,331.80x = 2,037,930,340.38
  5. Step 5: Solve for x
    x = 2,037,930,340.38/40,331.80
  6. Step 6: Final answer
    x = 50,529.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.