Home / 36,676.20-55,022.43-11,717.70

Finding the Fourth Proportional to 36,676.20, 55,022.43 and 11,717.70

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Solution

The fourth proportional to 36,676.20, 55,022.43 and 11,717.70 is: 17,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676.20 : 55,022.43 = 11,717.70 : x
  2. Step 2: Convert to fraction form
    36,676.20/55,022.43 = 11,717.70/x
  3. Step 3: Cross multiply
    36,676.20x = 55,022.43 × 11,717.70
  4. Step 4: Simplify right side
    36,676.20x = 644,736,328.01
  5. Step 5: Solve for x
    x = 644,736,328.01/36,676.20
  6. Step 6: Final answer
    x = 17,579.15

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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.