Home / 30,213.60-41,694.99-16,785.06

Finding the Fourth Proportional to 30,213.60, 41,694.99 and 16,785.06

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Solution

The fourth proportional to 30,213.60, 41,694.99 and 16,785.06 is: 23,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.60 : 41,694.99 = 16,785.06 : x
  2. Step 2: Convert to fraction form
    30,213.60/41,694.99 = 16,785.06/x
  3. Step 3: Cross multiply
    30,213.60x = 41,694.99 × 16,785.06
  4. Step 4: Simplify right side
    30,213.60x = 699,852,908.85
  5. Step 5: Solve for x
    x = 699,852,908.85/30,213.60
  6. Step 6: Final answer
    x = 23,163.51

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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.