Home / 69,785.24-104,662.14-19,864.23

Finding the Fourth Proportional to 69,785.24, 104,662.14 and 19,864.23

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Solution

The fourth proportional to 69,785.24, 104,662.14 and 19,864.23 is: 29,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.24 : 104,662.14 = 19,864.23 : x
  2. Step 2: Convert to fraction form
    69,785.24/104,662.14 = 19,864.23/x
  3. Step 3: Cross multiply
    69,785.24x = 104,662.14 × 19,864.23
  4. Step 4: Simplify right side
    69,785.24x = 2,079,032,821.25
  5. Step 5: Solve for x
    x = 2,079,032,821.25/69,785.24
  6. Step 6: Final answer
    x = 29,791.87

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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.