Home / 50,229.82-75,346.62-12,790.77

Finding the Fourth Proportional to 50,229.82, 75,346.62 and 12,790.77

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Solution

The fourth proportional to 50,229.82, 75,346.62 and 12,790.77 is: 19,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,229.82 : 75,346.62 = 12,790.77 : x
  2. Step 2: Convert to fraction form
    50,229.82/75,346.62 = 12,790.77/x
  3. Step 3: Cross multiply
    50,229.82x = 75,346.62 × 12,790.77
  4. Step 4: Simplify right side
    50,229.82x = 963,741,286.70
  5. Step 5: Solve for x
    x = 963,741,286.70/50,229.82
  6. Step 6: Final answer
    x = 19,186.64

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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.