Home / 29,107.43-40,169.04-16,361.78

Finding the Fourth Proportional to 29,107.43, 40,169.04 and 16,361.78

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Solution

The fourth proportional to 29,107.43, 40,169.04 and 16,361.78 is: 22,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.43 : 40,169.04 = 16,361.78 : x
  2. Step 2: Convert to fraction form
    29,107.43/40,169.04 = 16,361.78/x
  3. Step 3: Cross multiply
    29,107.43x = 40,169.04 × 16,361.78
  4. Step 4: Simplify right side
    29,107.43x = 657,236,920.33
  5. Step 5: Solve for x
    x = 657,236,920.33/29,107.43
  6. Step 6: Final answer
    x = 22,579.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.