Home / 40,183.74-55,453.77-23,188.70

Finding the Fourth Proportional to 40,183.74, 55,453.77 and 23,188.70

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Solution

The fourth proportional to 40,183.74, 55,453.77 and 23,188.70 is: 32,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.74 : 55,453.77 = 23,188.70 : x
  2. Step 2: Convert to fraction form
    40,183.74/55,453.77 = 23,188.70/x
  3. Step 3: Cross multiply
    40,183.74x = 55,453.77 × 23,188.70
  4. Step 4: Simplify right side
    40,183.74x = 1,285,900,836.40
  5. Step 5: Solve for x
    x = 1,285,900,836.40/40,183.74
  6. Step 6: Final answer
    x = 32,000.53

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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.