Home / 38,454.60-57,661.89-17,384.56

Finding the Fourth Proportional to 38,454.60, 57,661.89 and 17,384.56

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Solution

The fourth proportional to 38,454.60, 57,661.89 and 17,384.56 is: 26,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454.60 : 57,661.89 = 17,384.56 : x
  2. Step 2: Convert to fraction form
    38,454.60/57,661.89 = 17,384.56/x
  3. Step 3: Cross multiply
    38,454.60x = 57,661.89 × 17,384.56
  4. Step 4: Simplify right side
    38,454.60x = 1,002,426,474.86
  5. Step 5: Solve for x
    x = 1,002,426,474.86/38,454.60
  6. Step 6: Final answer
    x = 26,067.79

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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.