Home / 33,011.08-45,556.26-20,433.32

Finding the Fourth Proportional to 33,011.08, 45,556.26 and 20,433.32

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Solution

The fourth proportional to 33,011.08, 45,556.26 and 20,433.32 is: 28,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.08 : 45,556.26 = 20,433.32 : x
  2. Step 2: Convert to fraction form
    33,011.08/45,556.26 = 20,433.32/x
  3. Step 3: Cross multiply
    33,011.08x = 45,556.26 × 20,433.32
  4. Step 4: Simplify right side
    33,011.08x = 930,865,638.58
  5. Step 5: Solve for x
    x = 930,865,638.58/33,011.08
  6. Step 6: Final answer
    x = 28,198.58

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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.