Home / 69,786.49-104,664.01-19,865.48

Finding the Fourth Proportional to 69,786.49, 104,664.01 and 19,865.48

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Solution

The fourth proportional to 69,786.49, 104,664.01 and 19,865.48 is: 29,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,786.49 : 104,664.01 = 19,865.48 : x
  2. Step 2: Convert to fraction form
    69,786.49/104,664.01 = 19,865.48/x
  3. Step 3: Cross multiply
    69,786.49x = 104,664.01 × 19,865.48
  4. Step 4: Simplify right side
    69,786.49x = 2,079,200,797.37
  5. Step 5: Solve for x
    x = 2,079,200,797.37/69,786.49
  6. Step 6: Final answer
    x = 29,793.74

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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.