Home / 33,190.79-45,782.36-19,752.02

Finding the Fourth Proportional to 33,190.79, 45,782.36 and 19,752.02

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Solution

The fourth proportional to 33,190.79, 45,782.36 and 19,752.02 is: 27,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,190.79 : 45,782.36 = 19,752.02 : x
  2. Step 2: Convert to fraction form
    33,190.79/45,782.36 = 19,752.02/x
  3. Step 3: Cross multiply
    33,190.79x = 45,782.36 × 19,752.02
  4. Step 4: Simplify right side
    33,190.79x = 904,293,947.87
  5. Step 5: Solve for x
    x = 904,293,947.87/33,190.79
  6. Step 6: Final answer
    x = 27,245.33

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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.