Home / 38,082.20-57,123.30-33,999.80

Finding the Fourth Proportional to 38,082.20, 57,123.30 and 33,999.80

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Solution

The fourth proportional to 38,082.20, 57,123.30 and 33,999.80 is: 50,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.20 : 57,123.30 = 33,999.80 : x
  2. Step 2: Convert to fraction form
    38,082.20/57,123.30 = 33,999.80/x
  3. Step 3: Cross multiply
    38,082.20x = 57,123.30 × 33,999.80
  4. Step 4: Simplify right side
    38,082.20x = 1,942,180,775.34
  5. Step 5: Solve for x
    x = 1,942,180,775.34/38,082.20
  6. Step 6: Final answer
    x = 50,999.70

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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.