Home / 36,579.45-54,887.40-20,796.60

Finding the Fourth Proportional to 36,579.45, 54,887.40 and 20,796.60

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Solution

The fourth proportional to 36,579.45, 54,887.40 and 20,796.60 is: 31,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.45 : 54,887.40 = 20,796.60 : x
  2. Step 2: Convert to fraction form
    36,579.45/54,887.40 = 20,796.60/x
  3. Step 3: Cross multiply
    36,579.45x = 54,887.40 × 20,796.60
  4. Step 4: Simplify right side
    36,579.45x = 1,141,471,302.84
  5. Step 5: Solve for x
    x = 1,141,471,302.84/36,579.45
  6. Step 6: Final answer
    x = 31,205.26

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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.