Home / 33,384.20-46,086.90-20,815.88

Finding the Fourth Proportional to 33,384.20, 46,086.90 and 20,815.88

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Solution

The fourth proportional to 33,384.20, 46,086.90 and 20,815.88 is: 28,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,384.20 : 46,086.90 = 20,815.88 : x
  2. Step 2: Convert to fraction form
    33,384.20/46,086.90 = 20,815.88/x
  3. Step 3: Cross multiply
    33,384.20x = 46,086.90 × 20,815.88
  4. Step 4: Simplify right side
    33,384.20x = 959,339,379.97
  5. Step 5: Solve for x
    x = 959,339,379.97/33,384.20
  6. Step 6: Final answer
    x = 28,736.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.