Home / 33,129.30-45,717.97-18,022.08

Finding the Fourth Proportional to 33,129.30, 45,717.97 and 18,022.08

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Solution

The fourth proportional to 33,129.30, 45,717.97 and 18,022.08 is: 24,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.30 : 45,717.97 = 18,022.08 : x
  2. Step 2: Convert to fraction form
    33,129.30/45,717.97 = 18,022.08/x
  3. Step 3: Cross multiply
    33,129.30x = 45,717.97 × 18,022.08
  4. Step 4: Simplify right side
    33,129.30x = 823,932,815.79
  5. Step 5: Solve for x
    x = 823,932,815.79/33,129.30
  6. Step 6: Final answer
    x = 24,870.21

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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.