Home / 36,922.57-55,378.39-11,964.80

Finding the Fourth Proportional to 36,922.57, 55,378.39 and 11,964.80

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Solution

The fourth proportional to 36,922.57, 55,378.39 and 11,964.80 is: 17,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,922.57 : 55,378.39 = 11,964.80 : x
  2. Step 2: Convert to fraction form
    36,922.57/55,378.39 = 11,964.80/x
  3. Step 3: Cross multiply
    36,922.57x = 55,378.39 × 11,964.80
  4. Step 4: Simplify right side
    36,922.57x = 662,591,360.67
  5. Step 5: Solve for x
    x = 662,591,360.67/36,922.57
  6. Step 6: Final answer
    x = 17,945.43

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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.