Home / 69,329.58-103,970.04-19,396.26

Finding the Fourth Proportional to 69,329.58, 103,970.04 and 19,396.26

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Solution

The fourth proportional to 69,329.58, 103,970.04 and 19,396.26 is: 29,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,329.58 : 103,970.04 = 19,396.26 : x
  2. Step 2: Convert to fraction form
    69,329.58/103,970.04 = 19,396.26/x
  3. Step 3: Cross multiply
    69,329.58x = 103,970.04 × 19,396.26
  4. Step 4: Simplify right side
    69,329.58x = 2,016,629,928.05
  5. Step 5: Solve for x
    x = 2,016,629,928.05/69,329.58
  6. Step 6: Final answer
    x = 29,087.58

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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.