Home / 36,611.28-50,521.59-20,694.78

Finding the Fourth Proportional to 36,611.28, 50,521.59 and 20,694.78

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Solution

The fourth proportional to 36,611.28, 50,521.59 and 20,694.78 is: 28,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.28 : 50,521.59 = 20,694.78 : x
  2. Step 2: Convert to fraction form
    36,611.28/50,521.59 = 20,694.78/x
  3. Step 3: Cross multiply
    36,611.28x = 50,521.59 × 20,694.78
  4. Step 4: Simplify right side
    36,611.28x = 1,045,533,190.30
  5. Step 5: Solve for x
    x = 1,045,533,190.30/36,611.28
  6. Step 6: Final answer
    x = 28,557.68

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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.