Home / 31,727.58-43,783.92-17,580.39

Finding the Fourth Proportional to 31,727.58, 43,783.92 and 17,580.39

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Solution

The fourth proportional to 31,727.58, 43,783.92 and 17,580.39 is: 24,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.58 : 43,783.92 = 17,580.39 : x
  2. Step 2: Convert to fraction form
    31,727.58/43,783.92 = 17,580.39/x
  3. Step 3: Cross multiply
    31,727.58x = 43,783.92 × 17,580.39
  4. Step 4: Simplify right side
    31,727.58x = 769,738,389.33
  5. Step 5: Solve for x
    x = 769,738,389.33/31,727.58
  6. Step 6: Final answer
    x = 24,260.86

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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.