Home / 54,244.76-81,354-20,943.56

Finding the Fourth Proportional to 54,244.76, 81,354 and 20,943.56

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Solution

The fourth proportional to 54,244.76, 81,354 and 20,943.56 is: 31,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244.76 : 81,354 = 20,943.56 : x
  2. Step 2: Convert to fraction form
    54,244.76/81,354 = 20,943.56/x
  3. Step 3: Cross multiply
    54,244.76x = 81,354 × 20,943.56
  4. Step 4: Simplify right side
    54,244.76x = 1,703,842,380.24
  5. Step 5: Solve for x
    x = 1,703,842,380.24/54,244.76
  6. Step 6: Final answer
    x = 31,410.27

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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.