Home / 69,971.62-104,963.07-21,936.94

Finding the Fourth Proportional to 69,971.62, 104,963.07 and 21,936.94

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Solution

The fourth proportional to 69,971.62, 104,963.07 and 21,936.94 is: 32,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.62 : 104,963.07 = 21,936.94 : x
  2. Step 2: Convert to fraction form
    69,971.62/104,963.07 = 21,936.94/x
  3. Step 3: Cross multiply
    69,971.62x = 104,963.07 × 21,936.94
  4. Step 4: Simplify right side
    69,971.62x = 2,302,568,568.81
  5. Step 5: Solve for x
    x = 2,302,568,568.81/69,971.62
  6. Step 6: Final answer
    x = 32,907.18

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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.