Home / 38,377.20-57,436.20-33,711.60

Finding the Fourth Proportional to 38,377.20, 57,436.20 and 33,711.60

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Solution

The fourth proportional to 38,377.20, 57,436.20 and 33,711.60 is: 50,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.20 : 57,436.20 = 33,711.60 : x
  2. Step 2: Convert to fraction form
    38,377.20/57,436.20 = 33,711.60/x
  3. Step 3: Cross multiply
    38,377.20x = 57,436.20 × 33,711.60
  4. Step 4: Simplify right side
    38,377.20x = 1,936,266,199.92
  5. Step 5: Solve for x
    x = 1,936,266,199.92/38,377.20
  6. Step 6: Final answer
    x = 50,453.56

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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.