Home / 32,974.20-49,451.70-11,911.80

Finding the Fourth Proportional to 32,974.20, 49,451.70 and 11,911.80

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Solution

The fourth proportional to 32,974.20, 49,451.70 and 11,911.80 is: 17,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,974.20 : 49,451.70 = 11,911.80 : x
  2. Step 2: Convert to fraction form
    32,974.20/49,451.70 = 11,911.80/x
  3. Step 3: Cross multiply
    32,974.20x = 49,451.70 × 11,911.80
  4. Step 4: Simplify right side
    32,974.20x = 589,058,760.06
  5. Step 5: Solve for x
    x = 589,058,760.06/32,974.20
  6. Step 6: Final answer
    x = 17,864.23

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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.