Home / 37,137.92-55,694.84-12,171.20

Finding the Fourth Proportional to 37,137.92, 55,694.84 and 12,171.20

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Solution

The fourth proportional to 37,137.92, 55,694.84 and 12,171.20 is: 18,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.92 : 55,694.84 = 12,171.20 : x
  2. Step 2: Convert to fraction form
    37,137.92/55,694.84 = 12,171.20/x
  3. Step 3: Cross multiply
    37,137.92x = 55,694.84 × 12,171.20
  4. Step 4: Simplify right side
    37,137.92x = 677,873,036.61
  5. Step 5: Solve for x
    x = 677,873,036.61/37,137.92
  6. Step 6: Final answer
    x = 18,252.85

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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.