Home / 36,786.88-55,136.58-13,386.16

Finding the Fourth Proportional to 36,786.88, 55,136.58 and 13,386.16

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Solution

The fourth proportional to 36,786.88, 55,136.58 and 13,386.16 is: 20,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.88 : 55,136.58 = 13,386.16 : x
  2. Step 2: Convert to fraction form
    36,786.88/55,136.58 = 13,386.16/x
  3. Step 3: Cross multiply
    36,786.88x = 55,136.58 × 13,386.16
  4. Step 4: Simplify right side
    36,786.88x = 738,067,081.73
  5. Step 5: Solve for x
    x = 738,067,081.73/36,786.88
  6. Step 6: Final answer
    x = 20,063.32

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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.