Home / 38,660.38-53,350.42-22,745.86

Finding the Fourth Proportional to 38,660.38, 53,350.42 and 22,745.86

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Solution

The fourth proportional to 38,660.38, 53,350.42 and 22,745.86 is: 31,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.38 : 53,350.42 = 22,745.86 : x
  2. Step 2: Convert to fraction form
    38,660.38/53,350.42 = 22,745.86/x
  3. Step 3: Cross multiply
    38,660.38x = 53,350.42 × 22,745.86
  4. Step 4: Simplify right side
    38,660.38x = 1,213,501,184.26
  5. Step 5: Solve for x
    x = 1,213,501,184.26/38,660.38
  6. Step 6: Final answer
    x = 31,388.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.