Home / 36,756.25-55,131.09-11,789.52

Finding the Fourth Proportional to 36,756.25, 55,131.09 and 11,789.52

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Solution

The fourth proportional to 36,756.25, 55,131.09 and 11,789.52 is: 17,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.25 : 55,131.09 = 11,789.52 : x
  2. Step 2: Convert to fraction form
    36,756.25/55,131.09 = 11,789.52/x
  3. Step 3: Cross multiply
    36,756.25x = 55,131.09 × 11,789.52
  4. Step 4: Simplify right side
    36,756.25x = 649,968,812.52
  5. Step 5: Solve for x
    x = 649,968,812.52/36,756.25
  6. Step 6: Final answer
    x = 17,683.22

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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.