Home / 55,579.20-76,699.22-30,085.44

Finding the Fourth Proportional to 55,579.20, 76,699.22 and 30,085.44

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Solution

The fourth proportional to 55,579.20, 76,699.22 and 30,085.44 is: 41,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.20 : 76,699.22 = 30,085.44 : x
  2. Step 2: Convert to fraction form
    55,579.20/76,699.22 = 30,085.44/x
  3. Step 3: Cross multiply
    55,579.20x = 76,699.22 × 30,085.44
  4. Step 4: Simplify right side
    55,579.20x = 2,307,529,630.93
  5. Step 5: Solve for x
    x = 2,307,529,630.93/55,579.20
  6. Step 6: Final answer
    x = 41,517.86

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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.