Home / 54,286.34-81,401.73-22,687.78

Finding the Fourth Proportional to 54,286.34, 81,401.73 and 22,687.78

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Solution

The fourth proportional to 54,286.34, 81,401.73 and 22,687.78 is: 34,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.34 : 81,401.73 = 22,687.78 : x
  2. Step 2: Convert to fraction form
    54,286.34/81,401.73 = 22,687.78/x
  3. Step 3: Cross multiply
    54,286.34x = 81,401.73 × 22,687.78
  4. Step 4: Simplify right side
    54,286.34x = 1,846,824,541.86
  5. Step 5: Solve for x
    x = 1,846,824,541.86/54,286.34
  6. Step 6: Final answer
    x = 34,020.06

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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.