Home / 31,285.17-43,173.18-16,944.78

Finding the Fourth Proportional to 31,285.17, 43,173.18 and 16,944.78

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Solution

The fourth proportional to 31,285.17, 43,173.18 and 16,944.78 is: 23,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.17 : 43,173.18 = 16,944.78 : x
  2. Step 2: Convert to fraction form
    31,285.17/43,173.18 = 16,944.78/x
  3. Step 3: Cross multiply
    31,285.17x = 43,173.18 × 16,944.78
  4. Step 4: Simplify right side
    31,285.17x = 731,560,037.00
  5. Step 5: Solve for x
    x = 731,560,037.00/31,285.17
  6. Step 6: Final answer
    x = 23,383.60

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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.