Home / 36,664.70-54,997.25-13,290.53

Finding the Fourth Proportional to 36,664.70, 54,997.25 and 13,290.53

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Solution

The fourth proportional to 36,664.70, 54,997.25 and 13,290.53 is: 19,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,664.70 : 54,997.25 = 13,290.53 : x
  2. Step 2: Convert to fraction form
    36,664.70/54,997.25 = 13,290.53/x
  3. Step 3: Cross multiply
    36,664.70x = 54,997.25 × 13,290.53
  4. Step 4: Simplify right side
    36,664.70x = 730,942,259.60
  5. Step 5: Solve for x
    x = 730,942,259.60/36,664.70
  6. Step 6: Final answer
    x = 19,935.86

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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.