Home / 41,939.96-57,876.64-31,232.74

Finding the Fourth Proportional to 41,939.96, 57,876.64 and 31,232.74

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Solution

The fourth proportional to 41,939.96, 57,876.64 and 31,232.74 is: 43,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,939.96 : 57,876.64 = 31,232.74 : x
  2. Step 2: Convert to fraction form
    41,939.96/57,876.64 = 31,232.74/x
  3. Step 3: Cross multiply
    41,939.96x = 57,876.64 × 31,232.74
  4. Step 4: Simplify right side
    41,939.96x = 1,807,646,049.19
  5. Step 5: Solve for x
    x = 1,807,646,049.19/41,939.96
  6. Step 6: Final answer
    x = 43,100.81

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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.