Home / 33,403.30-46,074.36-21,481.72

Finding the Fourth Proportional to 33,403.30, 46,074.36 and 21,481.72

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Solution

The fourth proportional to 33,403.30, 46,074.36 and 21,481.72 is: 29,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,403.30 : 46,074.36 = 21,481.72 : x
  2. Step 2: Convert to fraction form
    33,403.30/46,074.36 = 21,481.72/x
  3. Step 3: Cross multiply
    33,403.30x = 46,074.36 × 21,481.72
  4. Step 4: Simplify right side
    33,403.30x = 989,756,500.70
  5. Step 5: Solve for x
    x = 989,756,500.70/33,403.30
  6. Step 6: Final answer
    x = 29,630.50

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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.