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Finding the Fourth Proportional to 64,161, 96,250.38 and 19,791.24

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Solution

The fourth proportional to 64,161, 96,250.38 and 19,791.24 is: 29,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161 : 96,250.38 = 19,791.24 : x
  2. Step 2: Convert to fraction form
    64,161/96,250.38 = 19,791.24/x
  3. Step 3: Cross multiply
    64,161x = 96,250.38 × 19,791.24
  4. Step 4: Simplify right side
    64,161x = 1,904,914,370.67
  5. Step 5: Solve for x
    x = 1,904,914,370.67/64,161
  6. Step 6: Final answer
    x = 29,689.60

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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.