Home / 33,117.40-49,611.30-19,930.60

Finding the Fourth Proportional to 33,117.40, 49,611.30 and 19,930.60

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Solution

The fourth proportional to 33,117.40, 49,611.30 and 19,930.60 is: 29,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.40 : 49,611.30 = 19,930.60 : x
  2. Step 2: Convert to fraction form
    33,117.40/49,611.30 = 19,930.60/x
  3. Step 3: Cross multiply
    33,117.40x = 49,611.30 × 19,930.60
  4. Step 4: Simplify right side
    33,117.40x = 988,782,975.78
  5. Step 5: Solve for x
    x = 988,782,975.78/33,117.40
  6. Step 6: Final answer
    x = 29,856.90

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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.