Home / 30,209.27-41,700.41-20,134.03

Finding the Fourth Proportional to 30,209.27, 41,700.41 and 20,134.03

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Solution

The fourth proportional to 30,209.27, 41,700.41 and 20,134.03 is: 27,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.27 : 41,700.41 = 20,134.03 : x
  2. Step 2: Convert to fraction form
    30,209.27/41,700.41 = 20,134.03/x
  3. Step 3: Cross multiply
    30,209.27x = 41,700.41 × 20,134.03
  4. Step 4: Simplify right side
    30,209.27x = 839,597,205.28
  5. Step 5: Solve for x
    x = 839,597,205.28/30,209.27
  6. Step 6: Final answer
    x = 27,792.71

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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.