Home / 40,122.94-55,370.25-22,217.92

Finding the Fourth Proportional to 40,122.94, 55,370.25 and 22,217.92

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Solution

The fourth proportional to 40,122.94, 55,370.25 and 22,217.92 is: 30,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.94 : 55,370.25 = 22,217.92 : x
  2. Step 2: Convert to fraction form
    40,122.94/55,370.25 = 22,217.92/x
  3. Step 3: Cross multiply
    40,122.94x = 55,370.25 × 22,217.92
  4. Step 4: Simplify right side
    40,122.94x = 1,230,211,784.88
  5. Step 5: Solve for x
    x = 1,230,211,784.88/40,122.94
  6. Step 6: Final answer
    x = 30,661.06

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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.