Home / 40,003.86-55,169.46-33,311.64

Finding the Fourth Proportional to 40,003.86, 55,169.46 and 33,311.64

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Solution

The fourth proportional to 40,003.86, 55,169.46 and 33,311.64 is: 45,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.86 : 55,169.46 = 33,311.64 : x
  2. Step 2: Convert to fraction form
    40,003.86/55,169.46 = 33,311.64/x
  3. Step 3: Cross multiply
    40,003.86x = 55,169.46 × 33,311.64
  4. Step 4: Simplify right side
    40,003.86x = 1,837,785,190.51
  5. Step 5: Solve for x
    x = 1,837,785,190.51/40,003.86
  6. Step 6: Final answer
    x = 45,940.20

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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.