Home / 41,990.67-57,947.81-23,127.80

Finding the Fourth Proportional to 41,990.67, 57,947.81 and 23,127.80

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Solution

The fourth proportional to 41,990.67, 57,947.81 and 23,127.80 is: 31,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.67 : 57,947.81 = 23,127.80 : x
  2. Step 2: Convert to fraction form
    41,990.67/57,947.81 = 23,127.80/x
  3. Step 3: Cross multiply
    41,990.67x = 57,947.81 × 23,127.80
  4. Step 4: Simplify right side
    41,990.67x = 1,340,204,954.74
  5. Step 5: Solve for x
    x = 1,340,204,954.74/41,990.67
  6. Step 6: Final answer
    x = 31,916.73

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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.