Home / 33,645.71-50,403.89-18,809.64

Finding the Fourth Proportional to 33,645.71, 50,403.89 and 18,809.64

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Solution

The fourth proportional to 33,645.71, 50,403.89 and 18,809.64 is: 28,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645.71 : 50,403.89 = 18,809.64 : x
  2. Step 2: Convert to fraction form
    33,645.71/50,403.89 = 18,809.64/x
  3. Step 3: Cross multiply
    33,645.71x = 50,403.89 × 18,809.64
  4. Step 4: Simplify right side
    33,645.71x = 948,079,072.52
  5. Step 5: Solve for x
    x = 948,079,072.52/33,645.71
  6. Step 6: Final answer
    x = 28,178.30

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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.