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Finding the Fourth Proportional to 69,398.76, 104,114.34 and 22,651.50

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Solution

The fourth proportional to 69,398.76, 104,114.34 and 22,651.50 is: 33,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.76 : 104,114.34 = 22,651.50 : x
  2. Step 2: Convert to fraction form
    69,398.76/104,114.34 = 22,651.50/x
  3. Step 3: Cross multiply
    69,398.76x = 104,114.34 × 22,651.50
  4. Step 4: Simplify right side
    69,398.76x = 2,358,345,972.51
  5. Step 5: Solve for x
    x = 2,358,345,972.51/69,398.76
  6. Step 6: Final answer
    x = 33,982.54

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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.