Home / 36,639.54-54,959.85-11,679.53

Finding the Fourth Proportional to 36,639.54, 54,959.85 and 11,679.53

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Solution

The fourth proportional to 36,639.54, 54,959.85 and 11,679.53 is: 17,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.54 : 54,959.85 = 11,679.53 : x
  2. Step 2: Convert to fraction form
    36,639.54/54,959.85 = 11,679.53/x
  3. Step 3: Cross multiply
    36,639.54x = 54,959.85 × 11,679.53
  4. Step 4: Simplify right side
    36,639.54x = 641,904,942.07
  5. Step 5: Solve for x
    x = 641,904,942.07/36,639.54
  6. Step 6: Final answer
    x = 17,519.46

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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.