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Finding the Fourth Proportional to 71,100.26, 106,650.38 and 21,852.26

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Solution

The fourth proportional to 71,100.26, 106,650.38 and 21,852.26 is: 32,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,100.26 : 106,650.38 = 21,852.26 : x
  2. Step 2: Convert to fraction form
    71,100.26/106,650.38 = 21,852.26/x
  3. Step 3: Cross multiply
    71,100.26x = 106,650.38 × 21,852.26
  4. Step 4: Simplify right side
    71,100.26x = 2,330,551,832.86
  5. Step 5: Solve for x
    x = 2,330,551,832.86/71,100.26
  6. Step 6: Final answer
    x = 32,778.39

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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.