Home / 50,138.38-75,213.78-16,861.96

Finding the Fourth Proportional to 50,138.38, 75,213.78 and 16,861.96

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Solution

The fourth proportional to 50,138.38, 75,213.78 and 16,861.96 is: 25,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.38 : 75,213.78 = 16,861.96 : x
  2. Step 2: Convert to fraction form
    50,138.38/75,213.78 = 16,861.96/x
  3. Step 3: Cross multiply
    50,138.38x = 75,213.78 × 16,861.96
  4. Step 4: Simplify right side
    50,138.38x = 1,268,251,749.81
  5. Step 5: Solve for x
    x = 1,268,251,749.81/50,138.38
  6. Step 6: Final answer
    x = 25,295.03

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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.