Home / 68,634.54-94,714.92-38,419.38

Finding the Fourth Proportional to 68,634.54, 94,714.92 and 38,419.38

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Solution

The fourth proportional to 68,634.54, 94,714.92 and 38,419.38 is: 53,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,634.54 : 94,714.92 = 38,419.38 : x
  2. Step 2: Convert to fraction form
    68,634.54/94,714.92 = 38,419.38/x
  3. Step 3: Cross multiply
    68,634.54x = 94,714.92 × 38,419.38
  4. Step 4: Simplify right side
    68,634.54x = 3,638,888,503.15
  5. Step 5: Solve for x
    x = 3,638,888,503.15/68,634.54
  6. Step 6: Final answer
    x = 53,018.33

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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.