Home / 33,172.92-45,778.14-19,744.02

Finding the Fourth Proportional to 33,172.92, 45,778.14 and 19,744.02

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Solution

The fourth proportional to 33,172.92, 45,778.14 and 19,744.02 is: 27,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.92 : 45,778.14 = 19,744.02 : x
  2. Step 2: Convert to fraction form
    33,172.92/45,778.14 = 19,744.02/x
  3. Step 3: Cross multiply
    33,172.92x = 45,778.14 × 19,744.02
  4. Step 4: Simplify right side
    33,172.92x = 903,844,511.72
  5. Step 5: Solve for x
    x = 903,844,511.72/33,172.92
  6. Step 6: Final answer
    x = 27,246.46

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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.