Home / 39,908.22-55,072.20-22,003.25

Finding the Fourth Proportional to 39,908.22, 55,072.20 and 22,003.25

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Solution

The fourth proportional to 39,908.22, 55,072.20 and 22,003.25 is: 30,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.22 : 55,072.20 = 22,003.25 : x
  2. Step 2: Convert to fraction form
    39,908.22/55,072.20 = 22,003.25/x
  3. Step 3: Cross multiply
    39,908.22x = 55,072.20 × 22,003.25
  4. Step 4: Simplify right side
    39,908.22x = 1,211,767,191.80
  5. Step 5: Solve for x
    x = 1,211,767,191.80/39,908.22
  6. Step 6: Final answer
    x = 30,363.85

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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.