Home / 55,110.20-76,051.26-31,236.44

Finding the Fourth Proportional to 55,110.20, 76,051.26 and 31,236.44

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Solution

The fourth proportional to 55,110.20, 76,051.26 and 31,236.44 is: 43,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.20 : 76,051.26 = 31,236.44 : x
  2. Step 2: Convert to fraction form
    55,110.20/76,051.26 = 31,236.44/x
  3. Step 3: Cross multiply
    55,110.20x = 76,051.26 × 31,236.44
  4. Step 4: Simplify right side
    55,110.20x = 2,375,570,619.91
  5. Step 5: Solve for x
    x = 2,375,570,619.91/55,110.20
  6. Step 6: Final answer
    x = 43,105.82

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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.