Home / 69,414.39-104,121.59-16,823.87

Finding the Fourth Proportional to 69,414.39, 104,121.59 and 16,823.87

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Solution

The fourth proportional to 69,414.39, 104,121.59 and 16,823.87 is: 25,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.39 : 104,121.59 = 16,823.87 : x
  2. Step 2: Convert to fraction form
    69,414.39/104,121.59 = 16,823.87/x
  3. Step 3: Cross multiply
    69,414.39x = 104,121.59 × 16,823.87
  4. Step 4: Simplify right side
    69,414.39x = 1,751,728,270.54
  5. Step 5: Solve for x
    x = 1,751,728,270.54/69,414.39
  6. Step 6: Final answer
    x = 25,235.81

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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.