Home / 38,470.32-57,704.87-19,739.54

Finding the Fourth Proportional to 38,470.32, 57,704.87 and 19,739.54

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Solution

The fourth proportional to 38,470.32, 57,704.87 and 19,739.54 is: 29,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.32 : 57,704.87 = 19,739.54 : x
  2. Step 2: Convert to fraction form
    38,470.32/57,704.87 = 19,739.54/x
  3. Step 3: Cross multiply
    38,470.32x = 57,704.87 × 19,739.54
  4. Step 4: Simplify right side
    38,470.32x = 1,139,067,589.56
  5. Step 5: Solve for x
    x = 1,139,067,589.56/38,470.32
  6. Step 6: Final answer
    x = 29,609.00

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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.