Home / 69,589.27-104,390.73-19,669.75

Finding the Fourth Proportional to 69,589.27, 104,390.73 and 19,669.75

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Solution

The fourth proportional to 69,589.27, 104,390.73 and 19,669.75 is: 29,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,589.27 : 104,390.73 = 19,669.75 : x
  2. Step 2: Convert to fraction form
    69,589.27/104,390.73 = 19,669.75/x
  3. Step 3: Cross multiply
    69,589.27x = 104,390.73 × 19,669.75
  4. Step 4: Simplify right side
    69,589.27x = 2,053,339,561.42
  5. Step 5: Solve for x
    x = 2,053,339,561.42/69,589.27
  6. Step 6: Final answer
    x = 29,506.55

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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.