Home / 33,129.56-45,718.44-18,022.52

Finding the Fourth Proportional to 33,129.56, 45,718.44 and 18,022.52

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Solution

The fourth proportional to 33,129.56, 45,718.44 and 18,022.52 is: 24,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.56 : 45,718.44 = 18,022.52 : x
  2. Step 2: Convert to fraction form
    33,129.56/45,718.44 = 18,022.52/x
  3. Step 3: Cross multiply
    33,129.56x = 45,718.44 × 18,022.52
  4. Step 4: Simplify right side
    33,129.56x = 823,961,499.27
  5. Step 5: Solve for x
    x = 823,961,499.27/33,129.56
  6. Step 6: Final answer
    x = 24,870.89

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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.