Home / 54,285.84-81,400.98-22,687.28

Finding the Fourth Proportional to 54,285.84, 81,400.98 and 22,687.28

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Solution

The fourth proportional to 54,285.84, 81,400.98 and 22,687.28 is: 34,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.84 : 81,400.98 = 22,687.28 : x
  2. Step 2: Convert to fraction form
    54,285.84/81,400.98 = 22,687.28/x
  3. Step 3: Cross multiply
    54,285.84x = 81,400.98 × 22,687.28
  4. Step 4: Simplify right side
    54,285.84x = 1,846,766,418.53
  5. Step 5: Solve for x
    x = 1,846,766,418.53/54,285.84
  6. Step 6: Final answer
    x = 34,019.30

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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.