Home / 33,620.94-50,416.81-11,428.36

Finding the Fourth Proportional to 33,620.94, 50,416.81 and 11,428.36

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Solution

The fourth proportional to 33,620.94, 50,416.81 and 11,428.36 is: 17,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.94 : 50,416.81 = 11,428.36 : x
  2. Step 2: Convert to fraction form
    33,620.94/50,416.81 = 11,428.36/x
  3. Step 3: Cross multiply
    33,620.94x = 50,416.81 × 11,428.36
  4. Step 4: Simplify right side
    33,620.94x = 576,181,300.12
  5. Step 5: Solve for x
    x = 576,181,300.12/33,620.94
  6. Step 6: Final answer
    x = 17,137.57

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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.