Home / 33,180.96-45,754.56-21,244.80

Finding the Fourth Proportional to 33,180.96, 45,754.56 and 21,244.80

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Solution

The fourth proportional to 33,180.96, 45,754.56 and 21,244.80 is: 29,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.96 : 45,754.56 = 21,244.80 : x
  2. Step 2: Convert to fraction form
    33,180.96/45,754.56 = 21,244.80/x
  3. Step 3: Cross multiply
    33,180.96x = 45,754.56 × 21,244.80
  4. Step 4: Simplify right side
    33,180.96x = 972,046,476.29
  5. Step 5: Solve for x
    x = 972,046,476.29/33,180.96
  6. Step 6: Final answer
    x = 29,295.31

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1.5x scale

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.