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Finding the Fourth Proportional to 63,993.39, 96,005.05 and 21,873.80

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Solution

The fourth proportional to 63,993.39, 96,005.05 and 21,873.80 is: 32,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,993.39 : 96,005.05 = 21,873.80 : x
  2. Step 2: Convert to fraction form
    63,993.39/96,005.05 = 21,873.80/x
  3. Step 3: Cross multiply
    63,993.39x = 96,005.05 × 21,873.80
  4. Step 4: Simplify right side
    63,993.39x = 2,099,994,907.99
  5. Step 5: Solve for x
    x = 2,099,994,907.99/63,993.39
  6. Step 6: Final answer
    x = 32,815.81

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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.