Home / 49,840.89-68,791.11-28,631.85

Finding the Fourth Proportional to 49,840.89, 68,791.11 and 28,631.85

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Solution

The fourth proportional to 49,840.89, 68,791.11 and 28,631.85 is: 39,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.89 : 68,791.11 = 28,631.85 : x
  2. Step 2: Convert to fraction form
    49,840.89/68,791.11 = 28,631.85/x
  3. Step 3: Cross multiply
    49,840.89x = 68,791.11 × 28,631.85
  4. Step 4: Simplify right side
    49,840.89x = 1,969,616,742.85
  5. Step 5: Solve for x
    x = 1,969,616,742.85/49,840.89
  6. Step 6: Final answer
    x = 39,518.09

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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.