Home / 54,270.72-81,406.26-27,983.16

Finding the Fourth Proportional to 54,270.72, 81,406.26 and 27,983.16

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Solution

The fourth proportional to 54,270.72, 81,406.26 and 27,983.16 is: 41,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.72 : 81,406.26 = 27,983.16 : x
  2. Step 2: Convert to fraction form
    54,270.72/81,406.26 = 27,983.16/x
  3. Step 3: Cross multiply
    54,270.72x = 81,406.26 × 27,983.16
  4. Step 4: Simplify right side
    54,270.72x = 2,278,004,398.58
  5. Step 5: Solve for x
    x = 2,278,004,398.58/54,270.72
  6. Step 6: Final answer
    x = 41,974.83

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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.