Home / 69,768.48-104,651.87-17,178.42

Finding the Fourth Proportional to 69,768.48, 104,651.87 and 17,178.42

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Solution

The fourth proportional to 69,768.48, 104,651.87 and 17,178.42 is: 25,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,768.48 : 104,651.87 = 17,178.42 : x
  2. Step 2: Convert to fraction form
    69,768.48/104,651.87 = 17,178.42/x
  3. Step 3: Cross multiply
    69,768.48x = 104,651.87 × 17,178.42
  4. Step 4: Simplify right side
    69,768.48x = 1,797,753,690.75
  5. Step 5: Solve for x
    x = 1,797,753,690.75/69,768.48
  6. Step 6: Final answer
    x = 25,767.42

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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.