Home / 33,964.16-50,890.90-20,788.88

Finding the Fourth Proportional to 33,964.16, 50,890.90 and 20,788.88

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Solution

The fourth proportional to 33,964.16, 50,890.90 and 20,788.88 is: 31,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,964.16 : 50,890.90 = 20,788.88 : x
  2. Step 2: Convert to fraction form
    33,964.16/50,890.90 = 20,788.88/x
  3. Step 3: Cross multiply
    33,964.16x = 50,890.90 × 20,788.88
  4. Step 4: Simplify right side
    33,964.16x = 1,057,964,813.19
  5. Step 5: Solve for x
    x = 1,057,964,813.19/33,964.16
  6. Step 6: Final answer
    x = 31,149.45

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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.