Home / 36,185.64-49,936.20-20,270.43

Finding the Fourth Proportional to 36,185.64, 49,936.20 and 20,270.43

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Solution

The fourth proportional to 36,185.64, 49,936.20 and 20,270.43 is: 27,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,185.64 : 49,936.20 = 20,270.43 : x
  2. Step 2: Convert to fraction form
    36,185.64/49,936.20 = 20,270.43/x
  3. Step 3: Cross multiply
    36,185.64x = 49,936.20 × 20,270.43
  4. Step 4: Simplify right side
    36,185.64x = 1,012,228,346.11
  5. Step 5: Solve for x
    x = 1,012,228,346.11/36,185.64
  6. Step 6: Final answer
    x = 27,973.20

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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.