Home / 33,772.20-50,658.30-28,231.80

Finding the Fourth Proportional to 33,772.20, 50,658.30 and 28,231.80

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Solution

The fourth proportional to 33,772.20, 50,658.30 and 28,231.80 is: 42,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,772.20 : 50,658.30 = 28,231.80 : x
  2. Step 2: Convert to fraction form
    33,772.20/50,658.30 = 28,231.80/x
  3. Step 3: Cross multiply
    33,772.20x = 50,658.30 × 28,231.80
  4. Step 4: Simplify right side
    33,772.20x = 1,430,174,993.94
  5. Step 5: Solve for x
    x = 1,430,174,993.94/33,772.20
  6. Step 6: Final answer
    x = 42,347.70

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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.