Home / 54,711.54-82,067.28-42,249.72

Finding the Fourth Proportional to 54,711.54, 82,067.28 and 42,249.72

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Solution

The fourth proportional to 54,711.54, 82,067.28 and 42,249.72 is: 63,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.54 : 82,067.28 = 42,249.72 : x
  2. Step 2: Convert to fraction form
    54,711.54/82,067.28 = 42,249.72/x
  3. Step 3: Cross multiply
    54,711.54x = 82,067.28 × 42,249.72
  4. Step 4: Simplify right side
    54,711.54x = 3,467,319,601.16
  5. Step 5: Solve for x
    x = 3,467,319,601.16/54,711.54
  6. Step 6: Final answer
    x = 63,374.56

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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.