Home / 69,308.25-103,975.17-21,935.26

Finding the Fourth Proportional to 69,308.25, 103,975.17 and 21,935.26

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Solution

The fourth proportional to 69,308.25, 103,975.17 and 21,935.26 is: 32,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,308.25 : 103,975.17 = 21,935.26 : x
  2. Step 2: Convert to fraction form
    69,308.25/103,975.17 = 21,935.26/x
  3. Step 3: Cross multiply
    69,308.25x = 103,975.17 × 21,935.26
  4. Step 4: Simplify right side
    69,308.25x = 2,280,722,387.49
  5. Step 5: Solve for x
    x = 2,280,722,387.49/69,308.25
  6. Step 6: Final answer
    x = 32,906.94

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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.