Home / 36,959.69-55,448.25-11,997.81

Finding the Fourth Proportional to 36,959.69, 55,448.25 and 11,997.81

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Solution

The fourth proportional to 36,959.69, 55,448.25 and 11,997.81 is: 17,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.69 : 55,448.25 = 11,997.81 : x
  2. Step 2: Convert to fraction form
    36,959.69/55,448.25 = 11,997.81/x
  3. Step 3: Cross multiply
    36,959.69x = 55,448.25 × 11,997.81
  4. Step 4: Simplify right side
    36,959.69x = 665,257,568.33
  5. Step 5: Solve for x
    x = 665,257,568.33/36,959.69
  6. Step 6: Final answer
    x = 17,999.55

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1.5x scale

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.