Home / 31,641.88-43,665.78-17,494.60

Finding the Fourth Proportional to 31,641.88, 43,665.78 and 17,494.60

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Solution

The fourth proportional to 31,641.88, 43,665.78 and 17,494.60 is: 24,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.88 : 43,665.78 = 17,494.60 : x
  2. Step 2: Convert to fraction form
    31,641.88/43,665.78 = 17,494.60/x
  3. Step 3: Cross multiply
    31,641.88x = 43,665.78 × 17,494.60
  4. Step 4: Simplify right side
    31,641.88x = 763,915,354.79
  5. Step 5: Solve for x
    x = 763,915,354.79/31,641.88
  6. Step 6: Final answer
    x = 24,142.54

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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.