Home / 31,469.37-47,197.77-20,191.33

Finding the Fourth Proportional to 31,469.37, 47,197.77 and 20,191.33

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Solution

The fourth proportional to 31,469.37, 47,197.77 and 20,191.33 is: 30,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.37 : 47,197.77 = 20,191.33 : x
  2. Step 2: Convert to fraction form
    31,469.37/47,197.77 = 20,191.33/x
  3. Step 3: Cross multiply
    31,469.37x = 47,197.77 × 20,191.33
  4. Step 4: Simplify right side
    31,469.37x = 952,985,749.33
  5. Step 5: Solve for x
    x = 952,985,749.33/31,469.37
  6. Step 6: Final answer
    x = 30,282.96

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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.