Home / 38,171.16-57,198.33-20,404.33

Finding the Fourth Proportional to 38,171.16, 57,198.33 and 20,404.33

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Solution

The fourth proportional to 38,171.16, 57,198.33 and 20,404.33 is: 30,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.16 : 57,198.33 = 20,404.33 : x
  2. Step 2: Convert to fraction form
    38,171.16/57,198.33 = 20,404.33/x
  3. Step 3: Cross multiply
    38,171.16x = 57,198.33 × 20,404.33
  4. Step 4: Simplify right side
    38,171.16x = 1,167,093,600.77
  5. Step 5: Solve for x
    x = 1,167,093,600.77/38,171.16
  6. Step 6: Final answer
    x = 30,575.27

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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.