Home / 54,131.44-81,083.76-34,399.84

Finding the Fourth Proportional to 54,131.44, 81,083.76 and 34,399.84

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Solution

The fourth proportional to 54,131.44, 81,083.76 and 34,399.84 is: 51,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.44 : 81,083.76 = 34,399.84 : x
  2. Step 2: Convert to fraction form
    54,131.44/81,083.76 = 34,399.84/x
  3. Step 3: Cross multiply
    54,131.44x = 81,083.76 × 34,399.84
  4. Step 4: Simplify right side
    54,131.44x = 2,789,268,370.60
  5. Step 5: Solve for x
    x = 2,789,268,370.60/54,131.44
  6. Step 6: Final answer
    x = 51,527.70

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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.