Home / 39,940.48-55,116.03-22,932.78

Finding the Fourth Proportional to 39,940.48, 55,116.03 and 22,932.78

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Solution

The fourth proportional to 39,940.48, 55,116.03 and 22,932.78 is: 31,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.48 : 55,116.03 = 22,932.78 : x
  2. Step 2: Convert to fraction form
    39,940.48/55,116.03 = 22,932.78/x
  3. Step 3: Cross multiply
    39,940.48x = 55,116.03 × 22,932.78
  4. Step 4: Simplify right side
    39,940.48x = 1,263,963,790.46
  5. Step 5: Solve for x
    x = 1,263,963,790.46/39,940.48
  6. Step 6: Final answer
    x = 31,646.18

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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.