Home / 33,068.80-45,635.16-18,922

Finding the Fourth Proportional to 33,068.80, 45,635.16 and 18,922

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Solution

The fourth proportional to 33,068.80, 45,635.16 and 18,922 is: 26,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.80 : 45,635.16 = 18,922 : x
  2. Step 2: Convert to fraction form
    33,068.80/45,635.16 = 18,922/x
  3. Step 3: Cross multiply
    33,068.80x = 45,635.16 × 18,922
  4. Step 4: Simplify right side
    33,068.80x = 863,508,497.52
  5. Step 5: Solve for x
    x = 863,508,497.52/33,068.80
  6. Step 6: Final answer
    x = 26,112.48

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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.