Home / 39,976.28-55,160.36-22,976.54

Finding the Fourth Proportional to 39,976.28, 55,160.36 and 22,976.54

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Solution

The fourth proportional to 39,976.28, 55,160.36 and 22,976.54 is: 31,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.28 : 55,160.36 = 22,976.54 : x
  2. Step 2: Convert to fraction form
    39,976.28/55,160.36 = 22,976.54/x
  3. Step 3: Cross multiply
    39,976.28x = 55,160.36 × 22,976.54
  4. Step 4: Simplify right side
    39,976.28x = 1,267,394,217.95
  5. Step 5: Solve for x
    x = 1,267,394,217.95/39,976.28
  6. Step 6: Final answer
    x = 31,703.66

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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.