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Finding the Fourth Proportional to 64,002.71, 96,006.11 and 21,881.09

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Solution

The fourth proportional to 64,002.71, 96,006.11 and 21,881.09 is: 32,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,002.71 : 96,006.11 = 21,881.09 : x
  2. Step 2: Convert to fraction form
    64,002.71/96,006.11 = 21,881.09/x
  3. Step 3: Cross multiply
    64,002.71x = 96,006.11 × 21,881.09
  4. Step 4: Simplify right side
    64,002.71x = 2,100,717,744.02
  5. Step 5: Solve for x
    x = 2,100,717,744.02/64,002.71
  6. Step 6: Final answer
    x = 32,822.33

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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.