Home / 40,183.88-55,451.05-23,188.83

Finding the Fourth Proportional to 40,183.88, 55,451.05 and 23,188.83

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Solution

The fourth proportional to 40,183.88, 55,451.05 and 23,188.83 is: 31,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.88 : 55,451.05 = 23,188.83 : x
  2. Step 2: Convert to fraction form
    40,183.88/55,451.05 = 23,188.83/x
  3. Step 3: Cross multiply
    40,183.88x = 55,451.05 × 23,188.83
  4. Step 4: Simplify right side
    40,183.88x = 1,285,844,994.45
  5. Step 5: Solve for x
    x = 1,285,844,994.45/40,183.88
  6. Step 6: Final answer
    x = 31,999.03

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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.