Home / 36,861.06-50,868.36-20,950.80

Finding the Fourth Proportional to 36,861.06, 50,868.36 and 20,950.80

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Solution

The fourth proportional to 36,861.06, 50,868.36 and 20,950.80 is: 28,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861.06 : 50,868.36 = 20,950.80 : x
  2. Step 2: Convert to fraction form
    36,861.06/50,868.36 = 20,950.80/x
  3. Step 3: Cross multiply
    36,861.06x = 50,868.36 × 20,950.80
  4. Step 4: Simplify right side
    36,861.06x = 1,065,732,836.69
  5. Step 5: Solve for x
    x = 1,065,732,836.69/36,861.06
  6. Step 6: Final answer
    x = 28,912.16

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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.