Home / 33,378.87-46,042.10-20,635.95

Finding the Fourth Proportional to 33,378.87, 46,042.10 and 20,635.95

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Solution

The fourth proportional to 33,378.87, 46,042.10 and 20,635.95 is: 28,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.87 : 46,042.10 = 20,635.95 : x
  2. Step 2: Convert to fraction form
    33,378.87/46,042.10 = 20,635.95/x
  3. Step 3: Cross multiply
    33,378.87x = 46,042.10 × 20,635.95
  4. Step 4: Simplify right side
    33,378.87x = 950,122,473.50
  5. Step 5: Solve for x
    x = 950,122,473.50/33,378.87
  6. Step 6: Final answer
    x = 28,464.79

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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.