Home / 36,168.64-49,913.09-20,036.43

Finding the Fourth Proportional to 36,168.64, 49,913.09 and 20,036.43

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Solution

The fourth proportional to 36,168.64, 49,913.09 and 20,036.43 is: 27,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.64 : 49,913.09 = 20,036.43 : x
  2. Step 2: Convert to fraction form
    36,168.64/49,913.09 = 20,036.43/x
  3. Step 3: Cross multiply
    36,168.64x = 49,913.09 × 20,036.43
  4. Step 4: Simplify right side
    36,168.64x = 1,000,080,221.53
  5. Step 5: Solve for x
    x = 1,000,080,221.53/36,168.64
  6. Step 6: Final answer
    x = 27,650.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.