Home / 31,337.52-43,245.84-17,190.48

Finding the Fourth Proportional to 31,337.52, 43,245.84 and 17,190.48

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Solution

The fourth proportional to 31,337.52, 43,245.84 and 17,190.48 is: 23,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.52 : 43,245.84 = 17,190.48 : x
  2. Step 2: Convert to fraction form
    31,337.52/43,245.84 = 17,190.48/x
  3. Step 3: Cross multiply
    31,337.52x = 43,245.84 × 17,190.48
  4. Step 4: Simplify right side
    31,337.52x = 743,416,747.60
  5. Step 5: Solve for x
    x = 743,416,747.60/31,337.52
  6. Step 6: Final answer
    x = 23,722.90

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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.