Home / 41,938.96-57,875.26-31,231.74

Finding the Fourth Proportional to 41,938.96, 57,875.26 and 31,231.74

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Solution

The fourth proportional to 41,938.96, 57,875.26 and 31,231.74 is: 43,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,938.96 : 57,875.26 = 31,231.74 : x
  2. Step 2: Convert to fraction form
    41,938.96/57,875.26 = 31,231.74/x
  3. Step 3: Cross multiply
    41,938.96x = 57,875.26 × 31,231.74
  4. Step 4: Simplify right side
    41,938.96x = 1,807,545,072.75
  5. Step 5: Solve for x
    x = 1,807,545,072.75/41,938.96
  6. Step 6: Final answer
    x = 43,099.43

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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.