Home / 33,136.44-45,713.21-19,700.07

Finding the Fourth Proportional to 33,136.44, 45,713.21 and 19,700.07

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Solution

The fourth proportional to 33,136.44, 45,713.21 and 19,700.07 is: 27,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.44 : 45,713.21 = 19,700.07 : x
  2. Step 2: Convert to fraction form
    33,136.44/45,713.21 = 19,700.07/x
  3. Step 3: Cross multiply
    33,136.44x = 45,713.21 × 19,700.07
  4. Step 4: Simplify right side
    33,136.44x = 900,553,436.92
  5. Step 5: Solve for x
    x = 900,553,436.92/33,136.44
  6. Step 6: Final answer
    x = 27,177.13

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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.