Home / 33,022.68-49,542-18,991.68

Finding the Fourth Proportional to 33,022.68, 49,542 and 18,991.68

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Solution

The fourth proportional to 33,022.68, 49,542 and 18,991.68 is: 28,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,022.68 : 49,542 = 18,991.68 : x
  2. Step 2: Convert to fraction form
    33,022.68/49,542 = 18,991.68/x
  3. Step 3: Cross multiply
    33,022.68x = 49,542 × 18,991.68
  4. Step 4: Simplify right side
    33,022.68x = 940,885,810.56
  5. Step 5: Solve for x
    x = 940,885,810.56/33,022.68
  6. Step 6: Final answer
    x = 28,492.11

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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.