Home / 33,205.10-49,819.80-31,990.10

Finding the Fourth Proportional to 33,205.10, 49,819.80 and 31,990.10

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Solution

The fourth proportional to 33,205.10, 49,819.80 and 31,990.10 is: 47,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.10 : 49,819.80 = 31,990.10 : x
  2. Step 2: Convert to fraction form
    33,205.10/49,819.80 = 31,990.10/x
  3. Step 3: Cross multiply
    33,205.10x = 49,819.80 × 31,990.10
  4. Step 4: Simplify right side
    33,205.10x = 1,593,740,383.98
  5. Step 5: Solve for x
    x = 1,593,740,383.98/33,205.10
  6. Step 6: Final answer
    x = 47,996.86

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1.5x scale

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.