Home / 31,617.04-43,629.32-17,469.76

Finding the Fourth Proportional to 31,617.04, 43,629.32 and 17,469.76

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Solution

The fourth proportional to 31,617.04, 43,629.32 and 17,469.76 is: 24,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617.04 : 43,629.32 = 17,469.76 : x
  2. Step 2: Convert to fraction form
    31,617.04/43,629.32 = 17,469.76/x
  3. Step 3: Cross multiply
    31,617.04x = 43,629.32 × 17,469.76
  4. Step 4: Simplify right side
    31,617.04x = 762,193,749.36
  5. Step 5: Solve for x
    x = 762,193,749.36/31,617.04
  6. Step 6: Final answer
    x = 24,107.06

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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.