Home / 42,651.11-63,976.67-11,486.36

Finding the Fourth Proportional to 42,651.11, 63,976.67 and 11,486.36

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Solution

The fourth proportional to 42,651.11, 63,976.67 and 11,486.36 is: 17,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.11 : 63,976.67 = 11,486.36 : x
  2. Step 2: Convert to fraction form
    42,651.11/63,976.67 = 11,486.36/x
  3. Step 3: Cross multiply
    42,651.11x = 63,976.67 × 11,486.36
  4. Step 4: Simplify right side
    42,651.11x = 734,858,685.91
  5. Step 5: Solve for x
    x = 734,858,685.91/42,651.11
  6. Step 6: Final answer
    x = 17,229.53

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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.