Home / 73,520.38-110,271.80-20,217.77

Finding the Fourth Proportional to 73,520.38, 110,271.80 and 20,217.77

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Solution

The fourth proportional to 73,520.38, 110,271.80 and 20,217.77 is: 30,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,520.38 : 110,271.80 = 20,217.77 : x
  2. Step 2: Convert to fraction form
    73,520.38/110,271.80 = 20,217.77/x
  3. Step 3: Cross multiply
    73,520.38x = 110,271.80 × 20,217.77
  4. Step 4: Simplify right side
    73,520.38x = 2,229,449,650.96
  5. Step 5: Solve for x
    x = 2,229,449,650.96/73,520.38
  6. Step 6: Final answer
    x = 30,324.24

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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.