Home / 69,964.75-104,944.56-20,044.81

Finding the Fourth Proportional to 69,964.75, 104,944.56 and 20,044.81

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Solution

The fourth proportional to 69,964.75, 104,944.56 and 20,044.81 is: 30,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.75 : 104,944.56 = 20,044.81 : x
  2. Step 2: Convert to fraction form
    69,964.75/104,944.56 = 20,044.81/x
  3. Step 3: Cross multiply
    69,964.75x = 104,944.56 × 20,044.81
  4. Step 4: Simplify right side
    69,964.75x = 2,103,593,765.73
  5. Step 5: Solve for x
    x = 2,103,593,765.73/69,964.75
  6. Step 6: Final answer
    x = 30,066.48

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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.