Home / 36,186.31-49,940.22-20,274.04

Finding the Fourth Proportional to 36,186.31, 49,940.22 and 20,274.04

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Solution

The fourth proportional to 36,186.31, 49,940.22 and 20,274.04 is: 27,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,186.31 : 49,940.22 = 20,274.04 : x
  2. Step 2: Convert to fraction form
    36,186.31/49,940.22 = 20,274.04/x
  3. Step 3: Cross multiply
    36,186.31x = 49,940.22 × 20,274.04
  4. Step 4: Simplify right side
    36,186.31x = 1,012,490,017.89
  5. Step 5: Solve for x
    x = 1,012,490,017.89/36,186.31
  6. Step 6: Final answer
    x = 27,979.92

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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.