Home / 30,067.43-41,492.43-16,638.68

Finding the Fourth Proportional to 30,067.43, 41,492.43 and 16,638.68

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Solution

The fourth proportional to 30,067.43, 41,492.43 and 16,638.68 is: 22,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.43 : 41,492.43 = 16,638.68 : x
  2. Step 2: Convert to fraction form
    30,067.43/41,492.43 = 16,638.68/x
  3. Step 3: Cross multiply
    30,067.43x = 41,492.43 × 16,638.68
  4. Step 4: Simplify right side
    30,067.43x = 690,379,057.73
  5. Step 5: Solve for x
    x = 690,379,057.73/30,067.43
  6. Step 6: Final answer
    x = 22,961.03

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1.5x scale

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.