Home / 40,027.92-55,233.75-22,120.49

Finding the Fourth Proportional to 40,027.92, 55,233.75 and 22,120.49

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Solution

The fourth proportional to 40,027.92, 55,233.75 and 22,120.49 is: 30,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027.92 : 55,233.75 = 22,120.49 : x
  2. Step 2: Convert to fraction form
    40,027.92/55,233.75 = 22,120.49/x
  3. Step 3: Cross multiply
    40,027.92x = 55,233.75 × 22,120.49
  4. Step 4: Simplify right side
    40,027.92x = 1,221,797,711.15
  5. Step 5: Solve for x
    x = 1,221,797,711.15/40,027.92
  6. Step 6: Final answer
    x = 30,523.64

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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.