Home / 54,976.59-75,874.83-30,786.77

Finding the Fourth Proportional to 54,976.59, 75,874.83 and 30,786.77

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Solution

The fourth proportional to 54,976.59, 75,874.83 and 30,786.77 is: 42,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,976.59 : 75,874.83 = 30,786.77 : x
  2. Step 2: Convert to fraction form
    54,976.59/75,874.83 = 30,786.77/x
  3. Step 3: Cross multiply
    54,976.59x = 75,874.83 × 30,786.77
  4. Step 4: Simplify right side
    54,976.59x = 2,335,940,587.44
  5. Step 5: Solve for x
    x = 2,335,940,587.44/54,976.59
  6. Step 6: Final answer
    x = 42,489.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.