Home / 49,821.48-68,714.75-31,918.14

Finding the Fourth Proportional to 49,821.48, 68,714.75 and 31,918.14

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Solution

The fourth proportional to 49,821.48, 68,714.75 and 31,918.14 is: 44,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.48 : 68,714.75 = 31,918.14 : x
  2. Step 2: Convert to fraction form
    49,821.48/68,714.75 = 31,918.14/x
  3. Step 3: Cross multiply
    49,821.48x = 68,714.75 × 31,918.14
  4. Step 4: Simplify right side
    49,821.48x = 2,193,246,850.97
  5. Step 5: Solve for x
    x = 2,193,246,850.97/49,821.48
  6. Step 6: Final answer
    x = 44,022.11

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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.