Home / 33,310.99-45,989.19-20,752.75

Finding the Fourth Proportional to 33,310.99, 45,989.19 and 20,752.75

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Solution

The fourth proportional to 33,310.99, 45,989.19 and 20,752.75 is: 28,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.99 : 45,989.19 = 20,752.75 : x
  2. Step 2: Convert to fraction form
    33,310.99/45,989.19 = 20,752.75/x
  3. Step 3: Cross multiply
    33,310.99x = 45,989.19 × 20,752.75
  4. Step 4: Simplify right side
    33,310.99x = 954,401,829.06
  5. Step 5: Solve for x
    x = 954,401,829.06/33,310.99
  6. Step 6: Final answer
    x = 28,651.26

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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.