Home / 34,108.20-51,138.36-13,047.36

Finding the Fourth Proportional to 34,108.20, 51,138.36 and 13,047.36

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Solution

The fourth proportional to 34,108.20, 51,138.36 and 13,047.36 is: 19,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,108.20 : 51,138.36 = 13,047.36 : x
  2. Step 2: Convert to fraction form
    34,108.20/51,138.36 = 13,047.36/x
  3. Step 3: Cross multiply
    34,108.20x = 51,138.36 × 13,047.36
  4. Step 4: Simplify right side
    34,108.20x = 667,220,592.73
  5. Step 5: Solve for x
    x = 667,220,592.73/34,108.20
  6. Step 6: Final answer
    x = 19,561.88

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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.