Home / 50,174.85-75,151.23-20,502.66

Finding the Fourth Proportional to 50,174.85, 75,151.23 and 20,502.66

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Solution

The fourth proportional to 50,174.85, 75,151.23 and 20,502.66 is: 30,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,174.85 : 75,151.23 = 20,502.66 : x
  2. Step 2: Convert to fraction form
    50,174.85/75,151.23 = 20,502.66/x
  3. Step 3: Cross multiply
    50,174.85x = 75,151.23 × 20,502.66
  4. Step 4: Simplify right side
    50,174.85x = 1,540,800,117.27
  5. Step 5: Solve for x
    x = 1,540,800,117.27/50,174.85
  6. Step 6: Final answer
    x = 30,708.61

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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.