Home / 33,955.21-50,982.80-18,991.64

Finding the Fourth Proportional to 33,955.21, 50,982.80 and 18,991.64

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Solution

The fourth proportional to 33,955.21, 50,982.80 and 18,991.64 is: 28,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,955.21 : 50,982.80 = 18,991.64 : x
  2. Step 2: Convert to fraction form
    33,955.21/50,982.80 = 18,991.64/x
  3. Step 3: Cross multiply
    33,955.21x = 50,982.80 × 18,991.64
  4. Step 4: Simplify right side
    33,955.21x = 968,247,016.29
  5. Step 5: Solve for x
    x = 968,247,016.29/33,955.21
  6. Step 6: Final answer
    x = 28,515.42

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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.