Home / 36,738.66-55,111.65-11,772.45

Finding the Fourth Proportional to 36,738.66, 55,111.65 and 11,772.45

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Solution

The fourth proportional to 36,738.66, 55,111.65 and 11,772.45 is: 17,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,738.66 : 55,111.65 = 11,772.45 : x
  2. Step 2: Convert to fraction form
    36,738.66/55,111.65 = 11,772.45/x
  3. Step 3: Cross multiply
    36,738.66x = 55,111.65 × 11,772.45
  4. Step 4: Simplify right side
    36,738.66x = 648,799,144.04
  5. Step 5: Solve for x
    x = 648,799,144.04/36,738.66
  6. Step 6: Final answer
    x = 17,659.85

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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.