Home / 38,198.20-57,283.59-13,231.54

Finding the Fourth Proportional to 38,198.20, 57,283.59 and 13,231.54

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Solution

The fourth proportional to 38,198.20, 57,283.59 and 13,231.54 is: 19,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.20 : 57,283.59 = 13,231.54 : x
  2. Step 2: Convert to fraction form
    38,198.20/57,283.59 = 13,231.54/x
  3. Step 3: Cross multiply
    38,198.20x = 57,283.59 × 13,231.54
  4. Step 4: Simplify right side
    38,198.20x = 757,950,112.43
  5. Step 5: Solve for x
    x = 757,950,112.43/38,198.20
  6. Step 6: Final answer
    x = 19,842.56

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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.