Home / 38,132.87-57,208.40-11,837.52

Finding the Fourth Proportional to 38,132.87, 57,208.40 and 11,837.52

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Solution

The fourth proportional to 38,132.87, 57,208.40 and 11,837.52 is: 17,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.87 : 57,208.40 = 11,837.52 : x
  2. Step 2: Convert to fraction form
    38,132.87/57,208.40 = 11,837.52/x
  3. Step 3: Cross multiply
    38,132.87x = 57,208.40 × 11,837.52
  4. Step 4: Simplify right side
    38,132.87x = 677,205,519.98
  5. Step 5: Solve for x
    x = 677,205,519.98/38,132.87
  6. Step 6: Final answer
    x = 17,759.10

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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.