Home / 31,719.64-43,771.38-17,571.64

Finding the Fourth Proportional to 31,719.64, 43,771.38 and 17,571.64

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Solution

The fourth proportional to 31,719.64, 43,771.38 and 17,571.64 is: 24,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.64 : 43,771.38 = 17,571.64 : x
  2. Step 2: Convert to fraction form
    31,719.64/43,771.38 = 17,571.64/x
  3. Step 3: Cross multiply
    31,719.64x = 43,771.38 × 17,571.64
  4. Step 4: Simplify right side
    31,719.64x = 769,134,931.66
  5. Step 5: Solve for x
    x = 769,134,931.66/31,719.64
  6. Step 6: Final answer
    x = 24,247.91

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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.