Home / 54,639.50-81,963.89-15,196.61

Finding the Fourth Proportional to 54,639.50, 81,963.89 and 15,196.61

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Solution

The fourth proportional to 54,639.50, 81,963.89 and 15,196.61 is: 22,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.50 : 81,963.89 = 15,196.61 : x
  2. Step 2: Convert to fraction form
    54,639.50/81,963.89 = 15,196.61/x
  3. Step 3: Cross multiply
    54,639.50x = 81,963.89 × 15,196.61
  4. Step 4: Simplify right side
    54,639.50x = 1,245,573,379.49
  5. Step 5: Solve for x
    x = 1,245,573,379.49/54,639.50
  6. Step 6: Final answer
    x = 22,796.21

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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.