Home / 50,220.67-69,287.36-28,694.97

Finding the Fourth Proportional to 50,220.67, 69,287.36 and 28,694.97

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Solution

The fourth proportional to 50,220.67, 69,287.36 and 28,694.97 is: 39,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220.67 : 69,287.36 = 28,694.97 : x
  2. Step 2: Convert to fraction form
    50,220.67/69,287.36 = 28,694.97/x
  3. Step 3: Cross multiply
    50,220.67x = 69,287.36 × 28,694.97
  4. Step 4: Simplify right side
    50,220.67x = 1,988,198,716.58
  5. Step 5: Solve for x
    x = 1,988,198,716.58/50,220.67
  6. Step 6: Final answer
    x = 39,589.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.