Home / 30,617.82-45,893.97-15,822.78

Finding the Fourth Proportional to 30,617.82, 45,893.97 and 15,822.78

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Solution

The fourth proportional to 30,617.82, 45,893.97 and 15,822.78 is: 23,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.82 : 45,893.97 = 15,822.78 : x
  2. Step 2: Convert to fraction form
    30,617.82/45,893.97 = 15,822.78/x
  3. Step 3: Cross multiply
    30,617.82x = 45,893.97 × 15,822.78
  4. Step 4: Simplify right side
    30,617.82x = 726,170,190.64
  5. Step 5: Solve for x
    x = 726,170,190.64/30,617.82
  6. Step 6: Final answer
    x = 23,717.24

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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.