Home / 54,127.41-81,170.30-18,582.11

Finding the Fourth Proportional to 54,127.41, 81,170.30 and 18,582.11

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Solution

The fourth proportional to 54,127.41, 81,170.30 and 18,582.11 is: 27,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127.41 : 81,170.30 = 18,582.11 : x
  2. Step 2: Convert to fraction form
    54,127.41/81,170.30 = 18,582.11/x
  3. Step 3: Cross multiply
    54,127.41x = 81,170.30 × 18,582.11
  4. Step 4: Simplify right side
    54,127.41x = 1,508,315,388.33
  5. Step 5: Solve for x
    x = 1,508,315,388.33/54,127.41
  6. Step 6: Final answer
    x = 27,866.02

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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.