Home / 34,202.20-51,186.60-28,661.80

Finding the Fourth Proportional to 34,202.20, 51,186.60 and 28,661.80

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Solution

The fourth proportional to 34,202.20, 51,186.60 and 28,661.80 is: 42,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,202.20 : 51,186.60 = 28,661.80 : x
  2. Step 2: Convert to fraction form
    34,202.20/51,186.60 = 28,661.80/x
  3. Step 3: Cross multiply
    34,202.20x = 51,186.60 × 28,661.80
  4. Step 4: Simplify right side
    34,202.20x = 1,467,100,091.88
  5. Step 5: Solve for x
    x = 1,467,100,091.88/34,202.20
  6. Step 6: Final answer
    x = 42,894.90

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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.