Home / 33,620.80-50,416.63-11,428.22

Finding the Fourth Proportional to 33,620.80, 50,416.63 and 11,428.22

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Solution

The fourth proportional to 33,620.80, 50,416.63 and 11,428.22 is: 17,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.80 : 50,416.63 = 11,428.22 : x
  2. Step 2: Convert to fraction form
    33,620.80/50,416.63 = 11,428.22/x
  3. Step 3: Cross multiply
    33,620.80x = 50,416.63 × 11,428.22
  4. Step 4: Simplify right side
    33,620.80x = 576,172,339.30
  5. Step 5: Solve for x
    x = 576,172,339.30/33,620.80
  6. Step 6: Final answer
    x = 17,137.38

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1.5x scale

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.