Home / 33,990.30-46,910.92-20,561.52

Finding the Fourth Proportional to 33,990.30, 46,910.92 and 20,561.52

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Solution

The fourth proportional to 33,990.30, 46,910.92 and 20,561.52 is: 28,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.30 : 46,910.92 = 20,561.52 : x
  2. Step 2: Convert to fraction form
    33,990.30/46,910.92 = 20,561.52/x
  3. Step 3: Cross multiply
    33,990.30x = 46,910.92 × 20,561.52
  4. Step 4: Simplify right side
    33,990.30x = 964,559,819.80
  5. Step 5: Solve for x
    x = 964,559,819.80/33,990.30
  6. Step 6: Final answer
    x = 28,377.50

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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.