Home / 40,122.92-55,369.89-22,219.08

Finding the Fourth Proportional to 40,122.92, 55,369.89 and 22,219.08

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Solution

The fourth proportional to 40,122.92, 55,369.89 and 22,219.08 is: 30,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.92 : 55,369.89 = 22,219.08 : x
  2. Step 2: Convert to fraction form
    40,122.92/55,369.89 = 22,219.08/x
  3. Step 3: Cross multiply
    40,122.92x = 55,369.89 × 22,219.08
  4. Step 4: Simplify right side
    40,122.92x = 1,230,268,015.50
  5. Step 5: Solve for x
    x = 1,230,268,015.50/40,122.92
  6. Step 6: Final answer
    x = 30,662.48

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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.