Home / 36,687.78-55,034.74-11,731.38

Finding the Fourth Proportional to 36,687.78, 55,034.74 and 11,731.38

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Solution

The fourth proportional to 36,687.78, 55,034.74 and 11,731.38 is: 17,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.78 : 55,034.74 = 11,731.38 : x
  2. Step 2: Convert to fraction form
    36,687.78/55,034.74 = 11,731.38/x
  3. Step 3: Cross multiply
    36,687.78x = 55,034.74 × 11,731.38
  4. Step 4: Simplify right side
    36,687.78x = 645,633,448.14
  5. Step 5: Solve for x
    x = 645,633,448.14/36,687.78
  6. Step 6: Final answer
    x = 17,598.05

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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.