Home / 55,184.20-82,777.82-20,149.96

Finding the Fourth Proportional to 55,184.20, 82,777.82 and 20,149.96

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Solution

The fourth proportional to 55,184.20, 82,777.82 and 20,149.96 is: 30,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.20 : 82,777.82 = 20,149.96 : x
  2. Step 2: Convert to fraction form
    55,184.20/82,777.82 = 20,149.96/x
  3. Step 3: Cross multiply
    55,184.20x = 82,777.82 × 20,149.96
  4. Step 4: Simplify right side
    55,184.20x = 1,667,969,761.89
  5. Step 5: Solve for x
    x = 1,667,969,761.89/55,184.20
  6. Step 6: Final answer
    x = 30,225.50

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1.5x scale

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.