Home / 33,270.30-45,924.03-19,845.90

Finding the Fourth Proportional to 33,270.30, 45,924.03 and 19,845.90

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Solution

The fourth proportional to 33,270.30, 45,924.03 and 19,845.90 is: 27,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.30 : 45,924.03 = 19,845.90 : x
  2. Step 2: Convert to fraction form
    33,270.30/45,924.03 = 19,845.90/x
  3. Step 3: Cross multiply
    33,270.30x = 45,924.03 × 19,845.90
  4. Step 4: Simplify right side
    33,270.30x = 911,403,706.98
  5. Step 5: Solve for x
    x = 911,403,706.98/33,270.30
  6. Step 6: Final answer
    x = 27,393.91

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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.