Home / 36,678.24-55,021.32-11,709.54

Finding the Fourth Proportional to 36,678.24, 55,021.32 and 11,709.54

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Solution

The fourth proportional to 36,678.24, 55,021.32 and 11,709.54 is: 17,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.24 : 55,021.32 = 11,709.54 : x
  2. Step 2: Convert to fraction form
    36,678.24/55,021.32 = 11,709.54/x
  3. Step 3: Cross multiply
    36,678.24x = 55,021.32 × 11,709.54
  4. Step 4: Simplify right side
    36,678.24x = 644,274,347.39
  5. Step 5: Solve for x
    x = 644,274,347.39/36,678.24
  6. Step 6: Final answer
    x = 17,565.57

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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.