Home / 34,174.20-51,261.30-19,428.60

Finding the Fourth Proportional to 34,174.20, 51,261.30 and 19,428.60

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Solution

The fourth proportional to 34,174.20, 51,261.30 and 19,428.60 is: 29,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,174.20 : 51,261.30 = 19,428.60 : x
  2. Step 2: Convert to fraction form
    34,174.20/51,261.30 = 19,428.60/x
  3. Step 3: Cross multiply
    34,174.20x = 51,261.30 × 19,428.60
  4. Step 4: Simplify right side
    34,174.20x = 995,935,293.18
  5. Step 5: Solve for x
    x = 995,935,293.18/34,174.20
  6. Step 6: Final answer
    x = 29,142.90

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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.