Home / 33,561.39-50,328.91-12,489.91

Finding the Fourth Proportional to 33,561.39, 50,328.91 and 12,489.91

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Solution

The fourth proportional to 33,561.39, 50,328.91 and 12,489.91 is: 18,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,561.39 : 50,328.91 = 12,489.91 : x
  2. Step 2: Convert to fraction form
    33,561.39/50,328.91 = 12,489.91/x
  3. Step 3: Cross multiply
    33,561.39x = 50,328.91 × 12,489.91
  4. Step 4: Simplify right side
    33,561.39x = 628,603,304.93
  5. Step 5: Solve for x
    x = 628,603,304.93/33,561.39
  6. Step 6: Final answer
    x = 18,729.95

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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.