Home / 33,181.65-49,790.70-19,161.36

Finding the Fourth Proportional to 33,181.65, 49,790.70 and 19,161.36

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Solution

The fourth proportional to 33,181.65, 49,790.70 and 19,161.36 is: 28,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.65 : 49,790.70 = 19,161.36 : x
  2. Step 2: Convert to fraction form
    33,181.65/49,790.70 = 19,161.36/x
  3. Step 3: Cross multiply
    33,181.65x = 49,790.70 × 19,161.36
  4. Step 4: Simplify right side
    33,181.65x = 954,057,527.35
  5. Step 5: Solve for x
    x = 954,057,527.35/33,181.65
  6. Step 6: Final answer
    x = 28,752.56

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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.