Home / 39,977.11-55,166.44-22,969.31

Finding the Fourth Proportional to 39,977.11, 55,166.44 and 22,969.31

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Solution

The fourth proportional to 39,977.11, 55,166.44 and 22,969.31 is: 31,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.11 : 55,166.44 = 22,969.31 : x
  2. Step 2: Convert to fraction form
    39,977.11/55,166.44 = 22,969.31/x
  3. Step 3: Cross multiply
    39,977.11x = 55,166.44 × 22,969.31
  4. Step 4: Simplify right side
    39,977.11x = 1,267,135,142.45
  5. Step 5: Solve for x
    x = 1,267,135,142.45/39,977.11
  6. Step 6: Final answer
    x = 31,696.52

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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.