Home / 67,857.20-101,814.60-32,778.80

Finding the Fourth Proportional to 67,857.20, 101,814.60 and 32,778.80

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Solution

The fourth proportional to 67,857.20, 101,814.60 and 32,778.80 is: 49,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,857.20 : 101,814.60 = 32,778.80 : x
  2. Step 2: Convert to fraction form
    67,857.20/101,814.60 = 32,778.80/x
  3. Step 3: Cross multiply
    67,857.20x = 101,814.60 × 32,778.80
  4. Step 4: Simplify right side
    67,857.20x = 3,337,360,410.48
  5. Step 5: Solve for x
    x = 3,337,360,410.48/67,857.20
  6. Step 6: Final answer
    x = 49,182.11

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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.