Home / 49,881.38-68,835.69-28,658.97

Finding the Fourth Proportional to 49,881.38, 68,835.69 and 28,658.97

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Solution

The fourth proportional to 49,881.38, 68,835.69 and 28,658.97 is: 39,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,881.38 : 68,835.69 = 28,658.97 : x
  2. Step 2: Convert to fraction form
    49,881.38/68,835.69 = 28,658.97/x
  3. Step 3: Cross multiply
    49,881.38x = 68,835.69 × 28,658.97
  4. Step 4: Simplify right side
    49,881.38x = 1,972,759,974.64
  5. Step 5: Solve for x
    x = 1,972,759,974.64/49,881.38
  6. Step 6: Final answer
    x = 39,549.03

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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.