Home / 38,253.48-57,257.37-20,439.60

Finding the Fourth Proportional to 38,253.48, 57,257.37 and 20,439.60

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Solution

The fourth proportional to 38,253.48, 57,257.37 and 20,439.60 is: 30,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.48 : 57,257.37 = 20,439.60 : x
  2. Step 2: Convert to fraction form
    38,253.48/57,257.37 = 20,439.60/x
  3. Step 3: Cross multiply
    38,253.48x = 57,257.37 × 20,439.60
  4. Step 4: Simplify right side
    38,253.48x = 1,170,317,739.85
  5. Step 5: Solve for x
    x = 1,170,317,739.85/38,253.48
  6. Step 6: Final answer
    x = 30,593.76

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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.