Home / 68,939.10-103,357.82-26,238.53

Finding the Fourth Proportional to 68,939.10, 103,357.82 and 26,238.53

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Solution

The fourth proportional to 68,939.10, 103,357.82 and 26,238.53 is: 39,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.10 : 103,357.82 = 26,238.53 : x
  2. Step 2: Convert to fraction form
    68,939.10/103,357.82 = 26,238.53/x
  3. Step 3: Cross multiply
    68,939.10x = 103,357.82 × 26,238.53
  4. Step 4: Simplify right side
    68,939.10x = 2,711,957,584.80
  5. Step 5: Solve for x
    x = 2,711,957,584.80/68,939.10
  6. Step 6: Final answer
    x = 39,338.45

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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.