Home / 31,771.78-43,845.64-17,432.35

Finding the Fourth Proportional to 31,771.78, 43,845.64 and 17,432.35

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Solution

The fourth proportional to 31,771.78, 43,845.64 and 17,432.35 is: 24,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.78 : 43,845.64 = 17,432.35 : x
  2. Step 2: Convert to fraction form
    31,771.78/43,845.64 = 17,432.35/x
  3. Step 3: Cross multiply
    31,771.78x = 43,845.64 × 17,432.35
  4. Step 4: Simplify right side
    31,771.78x = 764,332,389.26
  5. Step 5: Solve for x
    x = 764,332,389.26/31,771.78
  6. Step 6: Final answer
    x = 24,056.96

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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.