Home / 36,185.76-54,361.80-25,681.86

Finding the Fourth Proportional to 36,185.76, 54,361.80 and 25,681.86

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Solution

The fourth proportional to 36,185.76, 54,361.80 and 25,681.86 is: 38,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,185.76 : 54,361.80 = 25,681.86 : x
  2. Step 2: Convert to fraction form
    36,185.76/54,361.80 = 25,681.86/x
  3. Step 3: Cross multiply
    36,185.76x = 54,361.80 × 25,681.86
  4. Step 4: Simplify right side
    36,185.76x = 1,396,112,136.95
  5. Step 5: Solve for x
    x = 1,396,112,136.95/36,185.76
  6. Step 6: Final answer
    x = 38,581.81

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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.