Home / 54,171.53-81,265.96-16,722.80

Finding the Fourth Proportional to 54,171.53, 81,265.96 and 16,722.80

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Solution

The fourth proportional to 54,171.53, 81,265.96 and 16,722.80 is: 25,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.53 : 81,265.96 = 16,722.80 : x
  2. Step 2: Convert to fraction form
    54,171.53/81,265.96 = 16,722.80/x
  3. Step 3: Cross multiply
    54,171.53x = 81,265.96 × 16,722.80
  4. Step 4: Simplify right side
    54,171.53x = 1,358,994,725.30
  5. Step 5: Solve for x
    x = 1,358,994,725.30/54,171.53
  6. Step 6: Final answer
    x = 25,086.88

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1.5x scale

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.