Home / 36,240.82-54,272.64-21,405.70

Finding the Fourth Proportional to 36,240.82, 54,272.64 and 21,405.70

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Solution

The fourth proportional to 36,240.82, 54,272.64 and 21,405.70 is: 32,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.82 : 54,272.64 = 21,405.70 : x
  2. Step 2: Convert to fraction form
    36,240.82/54,272.64 = 21,405.70/x
  3. Step 3: Cross multiply
    36,240.82x = 54,272.64 × 21,405.70
  4. Step 4: Simplify right side
    36,240.82x = 1,161,743,850.05
  5. Step 5: Solve for x
    x = 1,161,743,850.05/36,240.82
  6. Step 6: Final answer
    x = 32,056.22

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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.