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Finding the Fourth Proportional to 63,996.85, 96,006.62 and 21,867.09

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Solution

The fourth proportional to 63,996.85, 96,006.62 and 21,867.09 is: 32,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,996.85 : 96,006.62 = 21,867.09 : x
  2. Step 2: Convert to fraction form
    63,996.85/96,006.62 = 21,867.09/x
  3. Step 3: Cross multiply
    63,996.85x = 96,006.62 × 21,867.09
  4. Step 4: Simplify right side
    63,996.85x = 2,099,385,400.14
  5. Step 5: Solve for x
    x = 2,099,385,400.14/63,996.85
  6. Step 6: Final answer
    x = 32,804.51

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1.5x scale

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.