Home / 33,991.67-50,878.32-18,157.11

Finding the Fourth Proportional to 33,991.67, 50,878.32 and 18,157.11

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Solution

The fourth proportional to 33,991.67, 50,878.32 and 18,157.11 is: 27,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.67 : 50,878.32 = 18,157.11 : x
  2. Step 2: Convert to fraction form
    33,991.67/50,878.32 = 18,157.11/x
  3. Step 3: Cross multiply
    33,991.67x = 50,878.32 × 18,157.11
  4. Step 4: Simplify right side
    33,991.67x = 923,803,043.86
  5. Step 5: Solve for x
    x = 923,803,043.86/33,991.67
  6. Step 6: Final answer
    x = 27,177.34

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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.