Home / 36,168.94-54,209.67-18,629.20

Finding the Fourth Proportional to 36,168.94, 54,209.67 and 18,629.20

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Solution

The fourth proportional to 36,168.94, 54,209.67 and 18,629.20 is: 27,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.94 : 54,209.67 = 18,629.20 : x
  2. Step 2: Convert to fraction form
    36,168.94/54,209.67 = 18,629.20/x
  3. Step 3: Cross multiply
    36,168.94x = 54,209.67 × 18,629.20
  4. Step 4: Simplify right side
    36,168.94x = 1,009,882,784.36
  5. Step 5: Solve for x
    x = 1,009,882,784.36/36,168.94
  6. Step 6: Final answer
    x = 27,921.27

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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.