Home / 50,912.00-76,343.01-20,920.80

Finding the Fourth Proportional to 50,912.00, 76,343.01 and 20,920.80

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Solution

The fourth proportional to 50,912.00, 76,343.01 and 20,920.80 is: 31,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.00 : 76,343.01 = 20,920.80 : x
  2. Step 2: Convert to fraction form
    50,912.00/76,343.01 = 20,920.80/x
  3. Step 3: Cross multiply
    50,912.00x = 76,343.01 × 20,920.80
  4. Step 4: Simplify right side
    50,912.00x = 1,597,156,843.61
  5. Step 5: Solve for x
    x = 1,597,156,843.61/50,912.00
  6. Step 6: Final answer
    x = 31,370.93

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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.