Home / 71,839.09-107,751.85-33,879.55

Finding the Fourth Proportional to 71,839.09, 107,751.85 and 33,879.55

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Solution

The fourth proportional to 71,839.09, 107,751.85 and 33,879.55 is: 50,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,839.09 : 107,751.85 = 33,879.55 : x
  2. Step 2: Convert to fraction form
    71,839.09/107,751.85 = 33,879.55/x
  3. Step 3: Cross multiply
    71,839.09x = 107,751.85 × 33,879.55
  4. Step 4: Simplify right side
    71,839.09x = 3,650,584,189.67
  5. Step 5: Solve for x
    x = 3,650,584,189.67/71,839.09
  6. Step 6: Final answer
    x = 50,816.13

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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.