Home / 54,555.77-81,833.66-17,121.62

Finding the Fourth Proportional to 54,555.77, 81,833.66 and 17,121.62

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Solution

The fourth proportional to 54,555.77, 81,833.66 and 17,121.62 is: 25,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.77 : 81,833.66 = 17,121.62 : x
  2. Step 2: Convert to fraction form
    54,555.77/81,833.66 = 17,121.62/x
  3. Step 3: Cross multiply
    54,555.77x = 81,833.66 × 17,121.62
  4. Step 4: Simplify right side
    54,555.77x = 1,401,124,334.95
  5. Step 5: Solve for x
    x = 1,401,124,334.95/54,555.77
  6. Step 6: Final answer
    x = 25,682.42

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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.