Home / 50,138.09-75,194.83-20,564.38

Finding the Fourth Proportional to 50,138.09, 75,194.83 and 20,564.38

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Solution

The fourth proportional to 50,138.09, 75,194.83 and 20,564.38 is: 30,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.09 : 75,194.83 = 20,564.38 : x
  2. Step 2: Convert to fraction form
    50,138.09/75,194.83 = 20,564.38/x
  3. Step 3: Cross multiply
    50,138.09x = 75,194.83 × 20,564.38
  4. Step 4: Simplify right side
    50,138.09x = 1,546,335,177.85
  5. Step 5: Solve for x
    x = 1,546,335,177.85/50,138.09
  6. Step 6: Final answer
    x = 30,841.53

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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.