Home / 39,619.82-54,675.77-21,714.44

Finding the Fourth Proportional to 39,619.82, 54,675.77 and 21,714.44

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Solution

The fourth proportional to 39,619.82, 54,675.77 and 21,714.44 is: 29,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619.82 : 54,675.77 = 21,714.44 : x
  2. Step 2: Convert to fraction form
    39,619.82/54,675.77 = 21,714.44/x
  3. Step 3: Cross multiply
    39,619.82x = 54,675.77 × 21,714.44
  4. Step 4: Simplify right side
    39,619.82x = 1,187,253,508.03
  5. Step 5: Solve for x
    x = 1,187,253,508.03/39,619.82
  6. Step 6: Final answer
    x = 29,966.15

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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.