Home / 34,336.60-51,456.30-21,149.80

Finding the Fourth Proportional to 34,336.60, 51,456.30 and 21,149.80

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Solution

The fourth proportional to 34,336.60, 51,456.30 and 21,149.80 is: 31,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,336.60 : 51,456.30 = 21,149.80 : x
  2. Step 2: Convert to fraction form
    34,336.60/51,456.30 = 21,149.80/x
  3. Step 3: Cross multiply
    34,336.60x = 51,456.30 × 21,149.80
  4. Step 4: Simplify right side
    34,336.60x = 1,088,290,453.74
  5. Step 5: Solve for x
    x = 1,088,290,453.74/34,336.60
  6. Step 6: Final answer
    x = 31,694.76

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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.