Home / 54,205.68-81,309.24-26,119.80

Finding the Fourth Proportional to 54,205.68, 81,309.24 and 26,119.80

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Solution

The fourth proportional to 54,205.68, 81,309.24 and 26,119.80 is: 39,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.68 : 81,309.24 = 26,119.80 : x
  2. Step 2: Convert to fraction form
    54,205.68/81,309.24 = 26,119.80/x
  3. Step 3: Cross multiply
    54,205.68x = 81,309.24 × 26,119.80
  4. Step 4: Simplify right side
    54,205.68x = 2,123,781,086.95
  5. Step 5: Solve for x
    x = 2,123,781,086.95/54,205.68
  6. Step 6: Final answer
    x = 39,180.05

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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.