Home / 40,343.66-55,620.78-35,261.72

Finding the Fourth Proportional to 40,343.66, 55,620.78 and 35,261.72

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Solution

The fourth proportional to 40,343.66, 55,620.78 and 35,261.72 is: 48,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.66 : 55,620.78 = 35,261.72 : x
  2. Step 2: Convert to fraction form
    40,343.66/55,620.78 = 35,261.72/x
  3. Step 3: Cross multiply
    40,343.66x = 55,620.78 × 35,261.72
  4. Step 4: Simplify right side
    40,343.66x = 1,961,284,370.54
  5. Step 5: Solve for x
    x = 1,961,284,370.54/40,343.66
  6. Step 6: Final answer
    x = 48,614.44

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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.