Home / 33,517.32-46,236.78-21,405.08

Finding the Fourth Proportional to 33,517.32, 46,236.78 and 21,405.08

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Solution

The fourth proportional to 33,517.32, 46,236.78 and 21,405.08 is: 29,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,517.32 : 46,236.78 = 21,405.08 : x
  2. Step 2: Convert to fraction form
    33,517.32/46,236.78 = 21,405.08/x
  3. Step 3: Cross multiply
    33,517.32x = 46,236.78 × 21,405.08
  4. Step 4: Simplify right side
    33,517.32x = 989,701,743.66
  5. Step 5: Solve for x
    x = 989,701,743.66/33,517.32
  6. Step 6: Final answer
    x = 29,528.07

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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.