Home / 54,917.48-82,392.62-38,937.80

Finding the Fourth Proportional to 54,917.48, 82,392.62 and 38,937.80

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Solution

The fourth proportional to 54,917.48, 82,392.62 and 38,937.80 is: 58,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.48 : 82,392.62 = 38,937.80 : x
  2. Step 2: Convert to fraction form
    54,917.48/82,392.62 = 38,937.80/x
  3. Step 3: Cross multiply
    54,917.48x = 82,392.62 × 38,937.80
  4. Step 4: Simplify right side
    54,917.48x = 3,208,187,359.04
  5. Step 5: Solve for x
    x = 3,208,187,359.04/54,917.48
  6. Step 6: Final answer
    x = 58,418.33

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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.