Home / 38,475.76-57,739.56-15,099.44

Finding the Fourth Proportional to 38,475.76, 57,739.56 and 15,099.44

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Solution

The fourth proportional to 38,475.76, 57,739.56 and 15,099.44 is: 22,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.76 : 57,739.56 = 15,099.44 : x
  2. Step 2: Convert to fraction form
    38,475.76/57,739.56 = 15,099.44/x
  3. Step 3: Cross multiply
    38,475.76x = 57,739.56 × 15,099.44
  4. Step 4: Simplify right side
    38,475.76x = 871,835,021.85
  5. Step 5: Solve for x
    x = 871,835,021.85/38,475.76
  6. Step 6: Final answer
    x = 22,659.33

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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.