Home / 36,077.40-49,784.58-20,161.44

Finding the Fourth Proportional to 36,077.40, 49,784.58 and 20,161.44

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Solution

The fourth proportional to 36,077.40, 49,784.58 and 20,161.44 is: 27,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.40 : 49,784.58 = 20,161.44 : x
  2. Step 2: Convert to fraction form
    36,077.40/49,784.58 = 20,161.44/x
  3. Step 3: Cross multiply
    36,077.40x = 49,784.58 × 20,161.44
  4. Step 4: Simplify right side
    36,077.40x = 1,003,728,822.60
  5. Step 5: Solve for x
    x = 1,003,728,822.60/36,077.40
  6. Step 6: Final answer
    x = 27,821.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.