Home / 36,678.08-55,016.58-11,717.80

Finding the Fourth Proportional to 36,678.08, 55,016.58 and 11,717.80

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Solution

The fourth proportional to 36,678.08, 55,016.58 and 11,717.80 is: 17,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.08 : 55,016.58 = 11,717.80 : x
  2. Step 2: Convert to fraction form
    36,678.08/55,016.58 = 11,717.80/x
  3. Step 3: Cross multiply
    36,678.08x = 55,016.58 × 11,717.80
  4. Step 4: Simplify right side
    36,678.08x = 644,673,187.52
  5. Step 5: Solve for x
    x = 644,673,187.52/36,678.08
  6. Step 6: Final answer
    x = 17,576.52

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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.