Home / 37,418.21-51,645.99-21,511.89

Finding the Fourth Proportional to 37,418.21, 51,645.99 and 21,511.89

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Solution

The fourth proportional to 37,418.21, 51,645.99 and 21,511.89 is: 29,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.21 : 51,645.99 = 21,511.89 : x
  2. Step 2: Convert to fraction form
    37,418.21/51,645.99 = 21,511.89/x
  3. Step 3: Cross multiply
    37,418.21x = 51,645.99 × 21,511.89
  4. Step 4: Simplify right side
    37,418.21x = 1,111,002,855.82
  5. Step 5: Solve for x
    x = 1,111,002,855.82/37,418.21
  6. Step 6: Final answer
    x = 29,691.51

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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.