Home / 54,313.92-81,481.28-18,773.96

Finding the Fourth Proportional to 54,313.92, 81,481.28 and 18,773.96

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Solution

The fourth proportional to 54,313.92, 81,481.28 and 18,773.96 is: 28,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313.92 : 81,481.28 = 18,773.96 : x
  2. Step 2: Convert to fraction form
    54,313.92/81,481.28 = 18,773.96/x
  3. Step 3: Cross multiply
    54,313.92x = 81,481.28 × 18,773.96
  4. Step 4: Simplify right side
    54,313.92x = 1,529,725,790.19
  5. Step 5: Solve for x
    x = 1,529,725,790.19/54,313.92
  6. Step 6: Final answer
    x = 28,164.53

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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.