Home / 54,166.68-81,194.67-20,873.70

Finding the Fourth Proportional to 54,166.68, 81,194.67 and 20,873.70

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Solution

The fourth proportional to 54,166.68, 81,194.67 and 20,873.70 is: 31,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.68 : 81,194.67 = 20,873.70 : x
  2. Step 2: Convert to fraction form
    54,166.68/81,194.67 = 20,873.70/x
  3. Step 3: Cross multiply
    54,166.68x = 81,194.67 × 20,873.70
  4. Step 4: Simplify right side
    54,166.68x = 1,694,833,183.18
  5. Step 5: Solve for x
    x = 1,694,833,183.18/54,166.68
  6. Step 6: Final answer
    x = 31,289.22

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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.