Home / 33,611.20-50,395.20-13,897.60

Finding the Fourth Proportional to 33,611.20, 50,395.20 and 13,897.60

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Solution

The fourth proportional to 33,611.20, 50,395.20 and 13,897.60 is: 20,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,611.20 : 50,395.20 = 13,897.60 : x
  2. Step 2: Convert to fraction form
    33,611.20/50,395.20 = 13,897.60/x
  3. Step 3: Cross multiply
    33,611.20x = 50,395.20 × 13,897.60
  4. Step 4: Simplify right side
    33,611.20x = 700,372,331.52
  5. Step 5: Solve for x
    x = 700,372,331.52/33,611.20
  6. Step 6: Final answer
    x = 20,837.47

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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.