Home / 33,611.10-50,453.10-21,145.20

Finding the Fourth Proportional to 33,611.10, 50,453.10 and 21,145.20

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Solution

The fourth proportional to 33,611.10, 50,453.10 and 21,145.20 is: 31,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,611.10 : 50,453.10 = 21,145.20 : x
  2. Step 2: Convert to fraction form
    33,611.10/50,453.10 = 21,145.20/x
  3. Step 3: Cross multiply
    33,611.10x = 50,453.10 × 21,145.20
  4. Step 4: Simplify right side
    33,611.10x = 1,066,840,890.12
  5. Step 5: Solve for x
    x = 1,066,840,890.12/33,611.10
  6. Step 6: Final answer
    x = 31,740.73

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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.