Home / 34,247.10-47,249.91-20,103.42

Finding the Fourth Proportional to 34,247.10, 47,249.91 and 20,103.42

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Solution

The fourth proportional to 34,247.10, 47,249.91 and 20,103.42 is: 27,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.10 : 47,249.91 = 20,103.42 : x
  2. Step 2: Convert to fraction form
    34,247.10/47,249.91 = 20,103.42/x
  3. Step 3: Cross multiply
    34,247.10x = 47,249.91 × 20,103.42
  4. Step 4: Simplify right side
    34,247.10x = 949,884,785.69
  5. Step 5: Solve for x
    x = 949,884,785.69/34,247.10
  6. Step 6: Final answer
    x = 27,736.21

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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.