Home / 39,714.66-54,855.09-29,687.87

Finding the Fourth Proportional to 39,714.66, 54,855.09 and 29,687.87

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Solution

The fourth proportional to 39,714.66, 54,855.09 and 29,687.87 is: 41,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,714.66 : 54,855.09 = 29,687.87 : x
  2. Step 2: Convert to fraction form
    39,714.66/54,855.09 = 29,687.87/x
  3. Step 3: Cross multiply
    39,714.66x = 54,855.09 × 29,687.87
  4. Step 4: Simplify right side
    39,714.66x = 1,628,530,917.90
  5. Step 5: Solve for x
    x = 1,628,530,917.90/39,714.66
  6. Step 6: Final answer
    x = 41,005.79

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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.