Home / 54,512.28-81,768.39-14,531.28

Finding the Fourth Proportional to 54,512.28, 81,768.39 and 14,531.28

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Solution

The fourth proportional to 54,512.28, 81,768.39 and 14,531.28 is: 21,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,512.28 : 81,768.39 = 14,531.28 : x
  2. Step 2: Convert to fraction form
    54,512.28/81,768.39 = 14,531.28/x
  3. Step 3: Cross multiply
    54,512.28x = 81,768.39 × 14,531.28
  4. Step 4: Simplify right side
    54,512.28x = 1,188,199,370.24
  5. Step 5: Solve for x
    x = 1,188,199,370.24/54,512.28
  6. Step 6: Final answer
    x = 21,796.91

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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.