Home / 33,820.20-50,730.30-28,279.80

Finding the Fourth Proportional to 33,820.20, 50,730.30 and 28,279.80

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Solution

The fourth proportional to 33,820.20, 50,730.30 and 28,279.80 is: 42,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.20 : 50,730.30 = 28,279.80 : x
  2. Step 2: Convert to fraction form
    33,820.20/50,730.30 = 28,279.80/x
  3. Step 3: Cross multiply
    33,820.20x = 50,730.30 × 28,279.80
  4. Step 4: Simplify right side
    33,820.20x = 1,434,642,737.94
  5. Step 5: Solve for x
    x = 1,434,642,737.94/33,820.20
  6. Step 6: Final answer
    x = 42,419.70

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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.