Home / 45,176.53-67,768.12-11,896.36

Finding the Fourth Proportional to 45,176.53, 67,768.12 and 11,896.36

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Solution

The fourth proportional to 45,176.53, 67,768.12 and 11,896.36 is: 17,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,176.53 : 67,768.12 = 11,896.36 : x
  2. Step 2: Convert to fraction form
    45,176.53/67,768.12 = 11,896.36/x
  3. Step 3: Cross multiply
    45,176.53x = 67,768.12 × 11,896.36
  4. Step 4: Simplify right side
    45,176.53x = 806,193,879.95
  5. Step 5: Solve for x
    x = 806,193,879.95/45,176.53
  6. Step 6: Final answer
    x = 17,845.42

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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.