Home / 41,939.33-57,880.37-31,310.51

Finding the Fourth Proportional to 41,939.33, 57,880.37 and 31,310.51

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Solution

The fourth proportional to 41,939.33, 57,880.37 and 31,310.51 is: 43,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,939.33 : 57,880.37 = 31,310.51 : x
  2. Step 2: Convert to fraction form
    41,939.33/57,880.37 = 31,310.51/x
  3. Step 3: Cross multiply
    41,939.33x = 57,880.37 × 31,310.51
  4. Step 4: Simplify right side
    41,939.33x = 1,812,264,126.67
  5. Step 5: Solve for x
    x = 1,812,264,126.67/41,939.33
  6. Step 6: Final answer
    x = 43,211.56

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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.