Home / 33,136.28-49,696.68-21,254.12

Finding the Fourth Proportional to 33,136.28, 49,696.68 and 21,254.12

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Solution

The fourth proportional to 33,136.28, 49,696.68 and 21,254.12 is: 31,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.28 : 49,696.68 = 21,254.12 : x
  2. Step 2: Convert to fraction form
    33,136.28/49,696.68 = 21,254.12/x
  3. Step 3: Cross multiply
    33,136.28x = 49,696.68 × 21,254.12
  4. Step 4: Simplify right side
    33,136.28x = 1,056,259,200.32
  5. Step 5: Solve for x
    x = 1,056,259,200.32/33,136.28
  6. Step 6: Final answer
    x = 31,876.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.