Home / 49,118.61-67,791.87-28,980.48

Finding the Fourth Proportional to 49,118.61, 67,791.87 and 28,980.48

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Solution

The fourth proportional to 49,118.61, 67,791.87 and 28,980.48 is: 39,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,118.61 : 67,791.87 = 28,980.48 : x
  2. Step 2: Convert to fraction form
    49,118.61/67,791.87 = 28,980.48/x
  3. Step 3: Cross multiply
    49,118.61x = 67,791.87 × 28,980.48
  4. Step 4: Simplify right side
    49,118.61x = 1,964,640,932.70
  5. Step 5: Solve for x
    x = 1,964,640,932.70/49,118.61
  6. Step 6: Final answer
    x = 39,997.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.