Home / 54,524.52-81,770.97-21,237.15

Finding the Fourth Proportional to 54,524.52, 81,770.97 and 21,237.15

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Solution

The fourth proportional to 54,524.52, 81,770.97 and 21,237.15 is: 31,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,524.52 : 81,770.97 = 21,237.15 : x
  2. Step 2: Convert to fraction form
    54,524.52/81,770.97 = 21,237.15/x
  3. Step 3: Cross multiply
    54,524.52x = 81,770.97 × 21,237.15
  4. Step 4: Simplify right side
    54,524.52x = 1,736,582,355.54
  5. Step 5: Solve for x
    x = 1,736,582,355.54/54,524.52
  6. Step 6: Final answer
    x = 31,849.57

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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.