Home / 34,063.20-51,181.20-30,261.60

Finding the Fourth Proportional to 34,063.20, 51,181.20 and 30,261.60

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Solution

The fourth proportional to 34,063.20, 51,181.20 and 30,261.60 is: 45,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,063.20 : 51,181.20 = 30,261.60 : x
  2. Step 2: Convert to fraction form
    34,063.20/51,181.20 = 30,261.60/x
  3. Step 3: Cross multiply
    34,063.20x = 51,181.20 × 30,261.60
  4. Step 4: Simplify right side
    34,063.20x = 1,548,825,001.92
  5. Step 5: Solve for x
    x = 1,548,825,001.92/34,063.20
  6. Step 6: Final answer
    x = 45,469.16

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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.