Home / 36,785.03-55,164.56-11,816.64

Finding the Fourth Proportional to 36,785.03, 55,164.56 and 11,816.64

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Solution

The fourth proportional to 36,785.03, 55,164.56 and 11,816.64 is: 17,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.03 : 55,164.56 = 11,816.64 : x
  2. Step 2: Convert to fraction form
    36,785.03/55,164.56 = 11,816.64/x
  3. Step 3: Cross multiply
    36,785.03x = 55,164.56 × 11,816.64
  4. Step 4: Simplify right side
    36,785.03x = 651,859,687.20
  5. Step 5: Solve for x
    x = 651,859,687.20/36,785.03
  6. Step 6: Final answer
    x = 17,720.79

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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.