Home / 50,279.57-75,451.11-28,107.49

Finding the Fourth Proportional to 50,279.57, 75,451.11 and 28,107.49

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Solution

The fourth proportional to 50,279.57, 75,451.11 and 28,107.49 is: 42,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.57 : 75,451.11 = 28,107.49 : x
  2. Step 2: Convert to fraction form
    50,279.57/75,451.11 = 28,107.49/x
  3. Step 3: Cross multiply
    50,279.57x = 75,451.11 × 28,107.49
  4. Step 4: Simplify right side
    50,279.57x = 2,120,741,131.19
  5. Step 5: Solve for x
    x = 2,120,741,131.19/50,279.57
  6. Step 6: Final answer
    x = 42,178.99

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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.