Home / 36,831.80-55,269.30-13,460.60

Finding the Fourth Proportional to 36,831.80, 55,269.30 and 13,460.60

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Solution

The fourth proportional to 36,831.80, 55,269.30 and 13,460.60 is: 20,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,831.80 : 55,269.30 = 13,460.60 : x
  2. Step 2: Convert to fraction form
    36,831.80/55,269.30 = 13,460.60/x
  3. Step 3: Cross multiply
    36,831.80x = 55,269.30 × 13,460.60
  4. Step 4: Simplify right side
    36,831.80x = 743,957,939.58
  5. Step 5: Solve for x
    x = 743,957,939.58/36,831.80
  6. Step 6: Final answer
    x = 20,198.79

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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.