Home / 37,080.36-55,610.17-12,121.90

Finding the Fourth Proportional to 37,080.36, 55,610.17 and 12,121.90

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Solution

The fourth proportional to 37,080.36, 55,610.17 and 12,121.90 is: 18,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.36 : 55,610.17 = 12,121.90 : x
  2. Step 2: Convert to fraction form
    37,080.36/55,610.17 = 12,121.90/x
  3. Step 3: Cross multiply
    37,080.36x = 55,610.17 × 12,121.90
  4. Step 4: Simplify right side
    37,080.36x = 674,101,097.29
  5. Step 5: Solve for x
    x = 674,101,097.29/37,080.36
  6. Step 6: Final answer
    x = 18,179.47

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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.