Home / 69,540.79-95,968.61-39,331.03

Finding the Fourth Proportional to 69,540.79, 95,968.61 and 39,331.03

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Solution

The fourth proportional to 69,540.79, 95,968.61 and 39,331.03 is: 54,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.79 : 95,968.61 = 39,331.03 : x
  2. Step 2: Convert to fraction form
    69,540.79/95,968.61 = 39,331.03/x
  3. Step 3: Cross multiply
    69,540.79x = 95,968.61 × 39,331.03
  4. Step 4: Simplify right side
    69,540.79x = 3,774,544,278.97
  5. Step 5: Solve for x
    x = 3,774,544,278.97/69,540.79
  6. Step 6: Final answer
    x = 54,278.13

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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.