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Finding the Fourth Proportional to 54,792.92, 82,193.06 and 19,249.92

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Solution

The fourth proportional to 54,792.92, 82,193.06 and 19,249.92 is: 28,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.92 : 82,193.06 = 19,249.92 : x
  2. Step 2: Convert to fraction form
    54,792.92/82,193.06 = 19,249.92/x
  3. Step 3: Cross multiply
    54,792.92x = 82,193.06 × 19,249.92
  4. Step 4: Simplify right side
    54,792.92x = 1,582,209,829.56
  5. Step 5: Solve for x
    x = 1,582,209,829.56/54,792.92
  6. Step 6: Final answer
    x = 28,876.17

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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.