Home / 39,945.34-55,129.44-22,949.55

Finding the Fourth Proportional to 39,945.34, 55,129.44 and 22,949.55

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Solution

The fourth proportional to 39,945.34, 55,129.44 and 22,949.55 is: 31,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.34 : 55,129.44 = 22,949.55 : x
  2. Step 2: Convert to fraction form
    39,945.34/55,129.44 = 22,949.55/x
  3. Step 3: Cross multiply
    39,945.34x = 55,129.44 × 22,949.55
  4. Step 4: Simplify right side
    39,945.34x = 1,265,195,839.75
  5. Step 5: Solve for x
    x = 1,265,195,839.75/39,945.34
  6. Step 6: Final answer
    x = 31,673.18

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1.5x scale

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.