Home / 31,190.87-43,043.33-17,762.12

Finding the Fourth Proportional to 31,190.87, 43,043.33 and 17,762.12

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Solution

The fourth proportional to 31,190.87, 43,043.33 and 17,762.12 is: 24,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.87 : 43,043.33 = 17,762.12 : x
  2. Step 2: Convert to fraction form
    31,190.87/43,043.33 = 17,762.12/x
  3. Step 3: Cross multiply
    31,190.87x = 43,043.33 × 17,762.12
  4. Step 4: Simplify right side
    31,190.87x = 764,540,944.67
  5. Step 5: Solve for x
    x = 764,540,944.67/31,190.87
  6. Step 6: Final answer
    x = 24,511.69

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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.