Home / 36,945.16-55,442-13,571.80

Finding the Fourth Proportional to 36,945.16, 55,442 and 13,571.80

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Solution

The fourth proportional to 36,945.16, 55,442 and 13,571.80 is: 20,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.16 : 55,442 = 13,571.80 : x
  2. Step 2: Convert to fraction form
    36,945.16/55,442 = 13,571.80/x
  3. Step 3: Cross multiply
    36,945.16x = 55,442 × 13,571.80
  4. Step 4: Simplify right side
    36,945.16x = 752,447,735.60
  5. Step 5: Solve for x
    x = 752,447,735.60/36,945.16
  6. Step 6: Final answer
    x = 20,366.61

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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.