Home / 33,643.22-46,415.97-20,709.18

Finding the Fourth Proportional to 33,643.22, 46,415.97 and 20,709.18

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Solution

The fourth proportional to 33,643.22, 46,415.97 and 20,709.18 is: 28,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.22 : 46,415.97 = 20,709.18 : x
  2. Step 2: Convert to fraction form
    33,643.22/46,415.97 = 20,709.18/x
  3. Step 3: Cross multiply
    33,643.22x = 46,415.97 × 20,709.18
  4. Step 4: Simplify right side
    33,643.22x = 961,236,677.60
  5. Step 5: Solve for x
    x = 961,236,677.60/33,643.22
  6. Step 6: Final answer
    x = 28,571.49

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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.