Home / 54,460.86-81,691.35-17,021.12

Finding the Fourth Proportional to 54,460.86, 81,691.35 and 17,021.12

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Solution

The fourth proportional to 54,460.86, 81,691.35 and 17,021.12 is: 25,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,460.86 : 81,691.35 = 17,021.12 : x
  2. Step 2: Convert to fraction form
    54,460.86/81,691.35 = 17,021.12/x
  3. Step 3: Cross multiply
    54,460.86x = 81,691.35 × 17,021.12
  4. Step 4: Simplify right side
    54,460.86x = 1,390,478,640.58
  5. Step 5: Solve for x
    x = 1,390,478,640.58/54,460.86
  6. Step 6: Final answer
    x = 25,531.71

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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.