Home / 36,361.16-54,485.85-21,540.59

Finding the Fourth Proportional to 36,361.16, 54,485.85 and 21,540.59

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Solution

The fourth proportional to 36,361.16, 54,485.85 and 21,540.59 is: 32,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,361.16 : 54,485.85 = 21,540.59 : x
  2. Step 2: Convert to fraction form
    36,361.16/54,485.85 = 21,540.59/x
  3. Step 3: Cross multiply
    36,361.16x = 54,485.85 × 21,540.59
  4. Step 4: Simplify right side
    36,361.16x = 1,173,657,355.65
  5. Step 5: Solve for x
    x = 1,173,657,355.65/36,361.16
  6. Step 6: Final answer
    x = 32,277.78

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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.