Home / 36,619.57-54,928.57-11,661.34

Finding the Fourth Proportional to 36,619.57, 54,928.57 and 11,661.34

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Solution

The fourth proportional to 36,619.57, 54,928.57 and 11,661.34 is: 17,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,619.57 : 54,928.57 = 11,661.34 : x
  2. Step 2: Convert to fraction form
    36,619.57/54,928.57 = 11,661.34/x
  3. Step 3: Cross multiply
    36,619.57x = 54,928.57 × 11,661.34
  4. Step 4: Simplify right side
    36,619.57x = 640,540,730.48
  5. Step 5: Solve for x
    x = 640,540,730.48/36,619.57
  6. Step 6: Final answer
    x = 17,491.76

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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.