Home / 49,668.88-74,503.26-20,086.48

Finding the Fourth Proportional to 49,668.88, 74,503.26 and 20,086.48

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Solution

The fourth proportional to 49,668.88, 74,503.26 and 20,086.48 is: 30,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.88 : 74,503.26 = 20,086.48 : x
  2. Step 2: Convert to fraction form
    49,668.88/74,503.26 = 20,086.48/x
  3. Step 3: Cross multiply
    49,668.88x = 74,503.26 × 20,086.48
  4. Step 4: Simplify right side
    49,668.88x = 1,496,508,241.92
  5. Step 5: Solve for x
    x = 1,496,508,241.92/49,668.88
  6. Step 6: Final answer
    x = 30,129.70

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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.