Home / 33,352.79-46,019.09-19,921.37

Finding the Fourth Proportional to 33,352.79, 46,019.09 and 19,921.37

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Solution

The fourth proportional to 33,352.79, 46,019.09 and 19,921.37 is: 27,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,352.79 : 46,019.09 = 19,921.37 : x
  2. Step 2: Convert to fraction form
    33,352.79/46,019.09 = 19,921.37/x
  3. Step 3: Cross multiply
    33,352.79x = 46,019.09 × 19,921.37
  4. Step 4: Simplify right side
    33,352.79x = 916,763,138.66
  5. Step 5: Solve for x
    x = 916,763,138.66/33,352.79
  6. Step 6: Final answer
    x = 27,486.85

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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.