Home / 54,542.10-81,792.89-18,994.29

Finding the Fourth Proportional to 54,542.10, 81,792.89 and 18,994.29

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Solution

The fourth proportional to 54,542.10, 81,792.89 and 18,994.29 is: 28,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.10 : 81,792.89 = 18,994.29 : x
  2. Step 2: Convert to fraction form
    54,542.10/81,792.89 = 18,994.29/x
  3. Step 3: Cross multiply
    54,542.10x = 81,792.89 × 18,994.29
  4. Step 4: Simplify right side
    54,542.10x = 1,553,597,777.63
  5. Step 5: Solve for x
    x = 1,553,597,777.63/54,542.10
  6. Step 6: Final answer
    x = 28,484.38

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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.