Home / 41,992.28-57,949.34-23,129.40

Finding the Fourth Proportional to 41,992.28, 57,949.34 and 23,129.40

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Solution

The fourth proportional to 41,992.28, 57,949.34 and 23,129.40 is: 31,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992.28 : 57,949.34 = 23,129.40 : x
  2. Step 2: Convert to fraction form
    41,992.28/57,949.34 = 23,129.40/x
  3. Step 3: Cross multiply
    41,992.28x = 57,949.34 × 23,129.40
  4. Step 4: Simplify right side
    41,992.28x = 1,340,333,652.99
  5. Step 5: Solve for x
    x = 1,340,333,652.99/41,992.28
  6. Step 6: Final answer
    x = 31,918.57

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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.