Home / 31,775.45-43,850.18-17,628.30

Finding the Fourth Proportional to 31,775.45, 43,850.18 and 17,628.30

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Solution

The fourth proportional to 31,775.45, 43,850.18 and 17,628.30 is: 24,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.45 : 43,850.18 = 17,628.30 : x
  2. Step 2: Convert to fraction form
    31,775.45/43,850.18 = 17,628.30/x
  3. Step 3: Cross multiply
    31,775.45x = 43,850.18 × 17,628.30
  4. Step 4: Simplify right side
    31,775.45x = 773,004,039.95
  5. Step 5: Solve for x
    x = 773,004,039.95/31,775.45
  6. Step 6: Final answer
    x = 24,327.09

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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.