Home / 36,826.80-55,175.40-30,217.20

Finding the Fourth Proportional to 36,826.80, 55,175.40 and 30,217.20

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Solution

The fourth proportional to 36,826.80, 55,175.40 and 30,217.20 is: 45,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,826.80 : 55,175.40 = 30,217.20 : x
  2. Step 2: Convert to fraction form
    36,826.80/55,175.40 = 30,217.20/x
  3. Step 3: Cross multiply
    36,826.80x = 55,175.40 × 30,217.20
  4. Step 4: Simplify right side
    36,826.80x = 1,667,246,096.88
  5. Step 5: Solve for x
    x = 1,667,246,096.88/36,826.80
  6. Step 6: Final answer
    x = 45,272.63

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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.