Home / 54,011.94-80,963.22-25,890.78

Finding the Fourth Proportional to 54,011.94, 80,963.22 and 25,890.78

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Solution

The fourth proportional to 54,011.94, 80,963.22 and 25,890.78 is: 38,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,011.94 : 80,963.22 = 25,890.78 : x
  2. Step 2: Convert to fraction form
    54,011.94/80,963.22 = 25,890.78/x
  3. Step 3: Cross multiply
    54,011.94x = 80,963.22 × 25,890.78
  4. Step 4: Simplify right side
    54,011.94x = 2,096,200,917.11
  5. Step 5: Solve for x
    x = 2,096,200,917.11/54,011.94
  6. Step 6: Final answer
    x = 38,809.95

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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.