Home / 54,091.07-81,143.44-18,542.75

Finding the Fourth Proportional to 54,091.07, 81,143.44 and 18,542.75

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Solution

The fourth proportional to 54,091.07, 81,143.44 and 18,542.75 is: 27,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.07 : 81,143.44 = 18,542.75 : x
  2. Step 2: Convert to fraction form
    54,091.07/81,143.44 = 18,542.75/x
  3. Step 3: Cross multiply
    54,091.07x = 81,143.44 × 18,542.75
  4. Step 4: Simplify right side
    54,091.07x = 1,504,622,429.35
  5. Step 5: Solve for x
    x = 1,504,622,429.35/54,091.07
  6. Step 6: Final answer
    x = 27,816.47

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1.5x scale

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.