Home / 54,660.87-81,991.40-15,217.99

Finding the Fourth Proportional to 54,660.87, 81,991.40 and 15,217.99

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Solution

The fourth proportional to 54,660.87, 81,991.40 and 15,217.99 is: 22,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.87 : 81,991.40 = 15,217.99 : x
  2. Step 2: Convert to fraction form
    54,660.87/81,991.40 = 15,217.99/x
  3. Step 3: Cross multiply
    54,660.87x = 81,991.40 × 15,217.99
  4. Step 4: Simplify right side
    54,660.87x = 1,247,744,305.29
  5. Step 5: Solve for x
    x = 1,247,744,305.29/54,660.87
  6. Step 6: Final answer
    x = 22,827.01

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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.