Home / 33,068.75-45,634.88-18,164.75

Finding the Fourth Proportional to 33,068.75, 45,634.88 and 18,164.75

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Solution

The fourth proportional to 33,068.75, 45,634.88 and 18,164.75 is: 25,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.75 : 45,634.88 = 18,164.75 : x
  2. Step 2: Convert to fraction form
    33,068.75/45,634.88 = 18,164.75/x
  3. Step 3: Cross multiply
    33,068.75x = 45,634.88 × 18,164.75
  4. Step 4: Simplify right side
    33,068.75x = 828,946,095.66
  5. Step 5: Solve for x
    x = 828,946,095.66/33,068.75
  6. Step 6: Final answer
    x = 25,067.36

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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.