Home / 38,268.11-57,393.97-11,969.44

Finding the Fourth Proportional to 38,268.11, 57,393.97 and 11,969.44

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Solution

The fourth proportional to 38,268.11, 57,393.97 and 11,969.44 is: 17,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.11 : 57,393.97 = 11,969.44 : x
  2. Step 2: Convert to fraction form
    38,268.11/57,393.97 = 11,969.44/x
  3. Step 3: Cross multiply
    38,268.11x = 57,393.97 × 11,969.44
  4. Step 4: Simplify right side
    38,268.11x = 686,973,506.87
  5. Step 5: Solve for x
    x = 686,973,506.87/38,268.11
  6. Step 6: Final answer
    x = 17,951.59

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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.