Home / 39,954.87-55,137.33-22,050

Finding the Fourth Proportional to 39,954.87, 55,137.33 and 22,050

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Solution

The fourth proportional to 39,954.87, 55,137.33 and 22,050 is: 30,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.87 : 55,137.33 = 22,050 : x
  2. Step 2: Convert to fraction form
    39,954.87/55,137.33 = 22,050/x
  3. Step 3: Cross multiply
    39,954.87x = 55,137.33 × 22,050
  4. Step 4: Simplify right side
    39,954.87x = 1,215,778,126.50
  5. Step 5: Solve for x
    x = 1,215,778,126.50/39,954.87
  6. Step 6: Final answer
    x = 30,428.78

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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.