Home / 55,183.82-76,151.43-31,309.98

Finding the Fourth Proportional to 55,183.82, 76,151.43 and 31,309.98

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Solution

The fourth proportional to 55,183.82, 76,151.43 and 31,309.98 is: 43,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.82 : 76,151.43 = 31,309.98 : x
  2. Step 2: Convert to fraction form
    55,183.82/76,151.43 = 31,309.98/x
  3. Step 3: Cross multiply
    55,183.82x = 76,151.43 × 31,309.98
  4. Step 4: Simplify right side
    55,183.82x = 2,384,299,750.27
  5. Step 5: Solve for x
    x = 2,384,299,750.27/55,183.82
  6. Step 6: Final answer
    x = 43,206.50

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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.