Home / 33,329.03-45,993.94-18,221.67

Finding the Fourth Proportional to 33,329.03, 45,993.94 and 18,221.67

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Solution

The fourth proportional to 33,329.03, 45,993.94 and 18,221.67 is: 25,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,329.03 : 45,993.94 = 18,221.67 : x
  2. Step 2: Convert to fraction form
    33,329.03/45,993.94 = 18,221.67/x
  3. Step 3: Cross multiply
    33,329.03x = 45,993.94 × 18,221.67
  4. Step 4: Simplify right side
    33,329.03x = 838,086,351.13
  5. Step 5: Solve for x
    x = 838,086,351.13/33,329.03
  6. Step 6: Final answer
    x = 25,145.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.