Home / 33,433.83-46,143.41-20,691.12

Finding the Fourth Proportional to 33,433.83, 46,143.41 and 20,691.12

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Solution

The fourth proportional to 33,433.83, 46,143.41 and 20,691.12 is: 28,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,433.83 : 46,143.41 = 20,691.12 : x
  2. Step 2: Convert to fraction form
    33,433.83/46,143.41 = 20,691.12/x
  3. Step 3: Cross multiply
    33,433.83x = 46,143.41 × 20,691.12
  4. Step 4: Simplify right side
    33,433.83x = 954,758,759.93
  5. Step 5: Solve for x
    x = 954,758,759.93/33,433.83
  6. Step 6: Final answer
    x = 28,556.67

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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.