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Finding the Fourth Proportional to 63,994.89, 95,991.93 and 21,854.64

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Solution

The fourth proportional to 63,994.89, 95,991.93 and 21,854.64 is: 32,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,994.89 : 95,991.93 = 21,854.64 : x
  2. Step 2: Convert to fraction form
    63,994.89/95,991.93 = 21,854.64/x
  3. Step 3: Cross multiply
    63,994.89x = 95,991.93 × 21,854.64
  4. Step 4: Simplify right side
    63,994.89x = 2,097,869,073.06
  5. Step 5: Solve for x
    x = 2,097,869,073.06/63,994.89
  6. Step 6: Final answer
    x = 32,781.82

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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.