Home / 29,669.82-40,954.68-18,348

Finding the Fourth Proportional to 29,669.82, 40,954.68 and 18,348

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Solution

The fourth proportional to 29,669.82, 40,954.68 and 18,348 is: 25,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,669.82 : 40,954.68 = 18,348 : x
  2. Step 2: Convert to fraction form
    29,669.82/40,954.68 = 18,348/x
  3. Step 3: Cross multiply
    29,669.82x = 40,954.68 × 18,348
  4. Step 4: Simplify right side
    29,669.82x = 751,436,468.64
  5. Step 5: Solve for x
    x = 751,436,468.64/29,669.82
  6. Step 6: Final answer
    x = 25,326.63

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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.