Home / 50,279.75-75,451.39-28,107.68

Finding the Fourth Proportional to 50,279.75, 75,451.39 and 28,107.68

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Solution

The fourth proportional to 50,279.75, 75,451.39 and 28,107.68 is: 42,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.75 : 75,451.39 = 28,107.68 : x
  2. Step 2: Convert to fraction form
    50,279.75/75,451.39 = 28,107.68/x
  3. Step 3: Cross multiply
    50,279.75x = 75,451.39 × 28,107.68
  4. Step 4: Simplify right side
    50,279.75x = 2,120,763,644.03
  5. Step 5: Solve for x
    x = 2,120,763,644.03/50,279.75
  6. Step 6: Final answer
    x = 42,179.28

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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.