Home / 33,211.60-49,817.40-15,715.60

Finding the Fourth Proportional to 33,211.60, 49,817.40 and 15,715.60

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Solution

The fourth proportional to 33,211.60, 49,817.40 and 15,715.60 is: 23,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.60 : 49,817.40 = 15,715.60 : x
  2. Step 2: Convert to fraction form
    33,211.60/49,817.40 = 15,715.60/x
  3. Step 3: Cross multiply
    33,211.60x = 49,817.40 × 15,715.60
  4. Step 4: Simplify right side
    33,211.60x = 782,910,331.44
  5. Step 5: Solve for x
    x = 782,910,331.44/33,211.60
  6. Step 6: Final answer
    x = 23,573.40

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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.