Home / 33,628.28-46,403.59-20,705.50

Finding the Fourth Proportional to 33,628.28, 46,403.59 and 20,705.50

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Solution

The fourth proportional to 33,628.28, 46,403.59 and 20,705.50 is: 28,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.28 : 46,403.59 = 20,705.50 : x
  2. Step 2: Convert to fraction form
    33,628.28/46,403.59 = 20,705.50/x
  3. Step 3: Cross multiply
    33,628.28x = 46,403.59 × 20,705.50
  4. Step 4: Simplify right side
    33,628.28x = 960,809,313.21
  5. Step 5: Solve for x
    x = 960,809,313.21/33,628.28
  6. Step 6: Final answer
    x = 28,571.47

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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.