Home / 54,182.24-81,251.76-20,883.84

Finding the Fourth Proportional to 54,182.24, 81,251.76 and 20,883.84

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Solution

The fourth proportional to 54,182.24, 81,251.76 and 20,883.84 is: 31,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.24 : 81,251.76 = 20,883.84 : x
  2. Step 2: Convert to fraction form
    54,182.24/81,251.76 = 20,883.84/x
  3. Step 3: Cross multiply
    54,182.24x = 81,251.76 × 20,883.84
  4. Step 4: Simplify right side
    54,182.24x = 1,696,848,755.56
  5. Step 5: Solve for x
    x = 1,696,848,755.56/54,182.24
  6. Step 6: Final answer
    x = 31,317.43

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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.