Home / 31,313.21-43,214.96-17,168.75

Finding the Fourth Proportional to 31,313.21, 43,214.96 and 17,168.75

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Solution

The fourth proportional to 31,313.21, 43,214.96 and 17,168.75 is: 23,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.21 : 43,214.96 = 17,168.75 : x
  2. Step 2: Convert to fraction form
    31,313.21/43,214.96 = 17,168.75/x
  3. Step 3: Cross multiply
    31,313.21x = 43,214.96 × 17,168.75
  4. Step 4: Simplify right side
    31,313.21x = 741,946,844.50
  5. Step 5: Solve for x
    x = 741,946,844.50/31,313.21
  6. Step 6: Final answer
    x = 23,694.37

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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.