Home / 36,811.98-55,183.95-13,422.06

Finding the Fourth Proportional to 36,811.98, 55,183.95 and 13,422.06

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Solution

The fourth proportional to 36,811.98, 55,183.95 and 13,422.06 is: 20,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811.98 : 55,183.95 = 13,422.06 : x
  2. Step 2: Convert to fraction form
    36,811.98/55,183.95 = 13,422.06/x
  3. Step 3: Cross multiply
    36,811.98x = 55,183.95 × 13,422.06
  4. Step 4: Simplify right side
    36,811.98x = 740,682,287.94
  5. Step 5: Solve for x
    x = 740,682,287.94/36,811.98
  6. Step 6: Final answer
    x = 20,120.69

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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.