Home / 43,982.64-65,891.28-21,770.04

Finding the Fourth Proportional to 43,982.64, 65,891.28 and 21,770.04

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Solution

The fourth proportional to 43,982.64, 65,891.28 and 21,770.04 is: 32,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,982.64 : 65,891.28 = 21,770.04 : x
  2. Step 2: Convert to fraction form
    43,982.64/65,891.28 = 21,770.04/x
  3. Step 3: Cross multiply
    43,982.64x = 65,891.28 × 21,770.04
  4. Step 4: Simplify right side
    43,982.64x = 1,434,455,801.25
  5. Step 5: Solve for x
    x = 1,434,455,801.25/43,982.64
  6. Step 6: Final answer
    x = 32,614.14

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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.