Home / 49,963.20-74,936.16-18,798.72

Finding the Fourth Proportional to 49,963.20, 74,936.16 and 18,798.72

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Solution

The fourth proportional to 49,963.20, 74,936.16 and 18,798.72 is: 28,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.20 : 74,936.16 = 18,798.72 : x
  2. Step 2: Convert to fraction form
    49,963.20/74,936.16 = 18,798.72/x
  3. Step 3: Cross multiply
    49,963.20x = 74,936.16 × 18,798.72
  4. Step 4: Simplify right side
    49,963.20x = 1,408,703,889.72
  5. Step 5: Solve for x
    x = 1,408,703,889.72/49,963.20
  6. Step 6: Final answer
    x = 28,194.83

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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.