Home / 33,310.36-45,988.32-20,752.12

Finding the Fourth Proportional to 33,310.36, 45,988.32 and 20,752.12

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Solution

The fourth proportional to 33,310.36, 45,988.32 and 20,752.12 is: 28,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.36 : 45,988.32 = 20,752.12 : x
  2. Step 2: Convert to fraction form
    33,310.36/45,988.32 = 20,752.12/x
  3. Step 3: Cross multiply
    33,310.36x = 45,988.32 × 20,752.12
  4. Step 4: Simplify right side
    33,310.36x = 954,355,135.24
  5. Step 5: Solve for x
    x = 954,355,135.24/33,310.36
  6. Step 6: Final answer
    x = 28,650.40

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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.