Home / 33,228.54-45,855.99-18,121.38

Finding the Fourth Proportional to 33,228.54, 45,855.99 and 18,121.38

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Solution

The fourth proportional to 33,228.54, 45,855.99 and 18,121.38 is: 25,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.54 : 45,855.99 = 18,121.38 : x
  2. Step 2: Convert to fraction form
    33,228.54/45,855.99 = 18,121.38/x
  3. Step 3: Cross multiply
    33,228.54x = 45,855.99 × 18,121.38
  4. Step 4: Simplify right side
    33,228.54x = 830,973,820.07
  5. Step 5: Solve for x
    x = 830,973,820.07/33,228.54
  6. Step 6: Final answer
    x = 25,007.83

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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.