Home / 33,220.49-45,847.83-20,470.95

Finding the Fourth Proportional to 33,220.49, 45,847.83 and 20,470.95

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Solution

The fourth proportional to 33,220.49, 45,847.83 and 20,470.95 is: 28,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.49 : 45,847.83 = 20,470.95 : x
  2. Step 2: Convert to fraction form
    33,220.49/45,847.83 = 20,470.95/x
  3. Step 3: Cross multiply
    33,220.49x = 45,847.83 × 20,470.95
  4. Step 4: Simplify right side
    33,220.49x = 938,548,635.54
  5. Step 5: Solve for x
    x = 938,548,635.54/33,220.49
  6. Step 6: Final answer
    x = 28,252.11

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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.