Home / 49,189.78-73,787.91-14,129.74

Finding the Fourth Proportional to 49,189.78, 73,787.91 and 14,129.74

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Solution

The fourth proportional to 49,189.78, 73,787.91 and 14,129.74 is: 21,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.78 : 73,787.91 = 14,129.74 : x
  2. Step 2: Convert to fraction form
    49,189.78/73,787.91 = 14,129.74/x
  3. Step 3: Cross multiply
    49,189.78x = 73,787.91 × 14,129.74
  4. Step 4: Simplify right side
    49,189.78x = 1,042,603,983.44
  5. Step 5: Solve for x
    x = 1,042,603,983.44/49,189.78
  6. Step 6: Final answer
    x = 21,195.54

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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.