Home / 38,131.36-57,206.15-11,836.02

Finding the Fourth Proportional to 38,131.36, 57,206.15 and 11,836.02

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Solution

The fourth proportional to 38,131.36, 57,206.15 and 11,836.02 is: 17,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.36 : 57,206.15 = 11,836.02 : x
  2. Step 2: Convert to fraction form
    38,131.36/57,206.15 = 11,836.02/x
  3. Step 3: Cross multiply
    38,131.36x = 57,206.15 × 11,836.02
  4. Step 4: Simplify right side
    38,131.36x = 677,093,335.25
  5. Step 5: Solve for x
    x = 677,093,335.25/38,131.36
  6. Step 6: Final answer
    x = 17,756.86

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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.