Home / 31,775.77-43,850.60-17,628.61

Finding the Fourth Proportional to 31,775.77, 43,850.60 and 17,628.61

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Solution

The fourth proportional to 31,775.77, 43,850.60 and 17,628.61 is: 24,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.77 : 43,850.60 = 17,628.61 : x
  2. Step 2: Convert to fraction form
    31,775.77/43,850.60 = 17,628.61/x
  3. Step 3: Cross multiply
    31,775.77x = 43,850.60 × 17,628.61
  4. Step 4: Simplify right side
    31,775.77x = 773,024,818.27
  5. Step 5: Solve for x
    x = 773,024,818.27/31,775.77
  6. Step 6: Final answer
    x = 24,327.50

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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.