Home / 84,268.98-126,395.10-21,939.48

Finding the Fourth Proportional to 84,268.98, 126,395.10 and 21,939.48

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Solution

The fourth proportional to 84,268.98, 126,395.10 and 21,939.48 is: 32,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,268.98 : 126,395.10 = 21,939.48 : x
  2. Step 2: Convert to fraction form
    84,268.98/126,395.10 = 21,939.48/x
  3. Step 3: Cross multiply
    84,268.98x = 126,395.10 × 21,939.48
  4. Step 4: Simplify right side
    84,268.98x = 2,773,042,768.55
  5. Step 5: Solve for x
    x = 2,773,042,768.55/84,268.98
  6. Step 6: Final answer
    x = 32,907.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.