Home / 54,187.09-81,272.42-14,747.28

Finding the Fourth Proportional to 54,187.09, 81,272.42 and 14,747.28

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Solution

The fourth proportional to 54,187.09, 81,272.42 and 14,747.28 is: 22,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.09 : 81,272.42 = 14,747.28 : x
  2. Step 2: Convert to fraction form
    54,187.09/81,272.42 = 14,747.28/x
  3. Step 3: Cross multiply
    54,187.09x = 81,272.42 × 14,747.28
  4. Step 4: Simplify right side
    54,187.09x = 1,198,546,727.66
  5. Step 5: Solve for x
    x = 1,198,546,727.66/54,187.09
  6. Step 6: Final answer
    x = 22,118.68

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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.