Home / 38,481.73-57,641.58-19,704.70

Finding the Fourth Proportional to 38,481.73, 57,641.58 and 19,704.70

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Solution

The fourth proportional to 38,481.73, 57,641.58 and 19,704.70 is: 29,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.73 : 57,641.58 = 19,704.70 : x
  2. Step 2: Convert to fraction form
    38,481.73/57,641.58 = 19,704.70/x
  3. Step 3: Cross multiply
    38,481.73x = 57,641.58 × 19,704.70
  4. Step 4: Simplify right side
    38,481.73x = 1,135,810,041.43
  5. Step 5: Solve for x
    x = 1,135,810,041.43/38,481.73
  6. Step 6: Final answer
    x = 29,515.57

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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.