Home / 38,257.11-57,393.77-11,963.84

Finding the Fourth Proportional to 38,257.11, 57,393.77 and 11,963.84

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Solution

The fourth proportional to 38,257.11, 57,393.77 and 11,963.84 is: 17,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.11 : 57,393.77 = 11,963.84 : x
  2. Step 2: Convert to fraction form
    38,257.11/57,393.77 = 11,963.84/x
  3. Step 3: Cross multiply
    38,257.11x = 57,393.77 × 11,963.84
  4. Step 4: Simplify right side
    38,257.11x = 686,649,534.49
  5. Step 5: Solve for x
    x = 686,649,534.49/38,257.11
  6. Step 6: Final answer
    x = 17,948.29

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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.