Home / 37,231.88-55,857-18,520.80

Finding the Fourth Proportional to 37,231.88, 55,857 and 18,520.80

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Solution

The fourth proportional to 37,231.88, 55,857 and 18,520.80 is: 27,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.88 : 55,857 = 18,520.80 : x
  2. Step 2: Convert to fraction form
    37,231.88/55,857 = 18,520.80/x
  3. Step 3: Cross multiply
    37,231.88x = 55,857 × 18,520.80
  4. Step 4: Simplify right side
    37,231.88x = 1,034,516,325.60
  5. Step 5: Solve for x
    x = 1,034,516,325.60/37,231.88
  6. Step 6: Final answer
    x = 27,785.77

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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.