Home / 36,686.44-55,033.32-13,314.70

Finding the Fourth Proportional to 36,686.44, 55,033.32 and 13,314.70

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Solution

The fourth proportional to 36,686.44, 55,033.32 and 13,314.70 is: 19,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.44 : 55,033.32 = 13,314.70 : x
  2. Step 2: Convert to fraction form
    36,686.44/55,033.32 = 13,314.70/x
  3. Step 3: Cross multiply
    36,686.44x = 55,033.32 × 13,314.70
  4. Step 4: Simplify right side
    36,686.44x = 732,752,145.80
  5. Step 5: Solve for x
    x = 732,752,145.80/36,686.44
  6. Step 6: Final answer
    x = 19,973.38

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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.