Home / 31,542.75-43,529.04-17,395.56

Finding the Fourth Proportional to 31,542.75, 43,529.04 and 17,395.56

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Solution

The fourth proportional to 31,542.75, 43,529.04 and 17,395.56 is: 24,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.75 : 43,529.04 = 17,395.56 : x
  2. Step 2: Convert to fraction form
    31,542.75/43,529.04 = 17,395.56/x
  3. Step 3: Cross multiply
    31,542.75x = 43,529.04 × 17,395.56
  4. Step 4: Simplify right side
    31,542.75x = 757,212,027.06
  5. Step 5: Solve for x
    x = 757,212,027.06/31,542.75
  6. Step 6: Final answer
    x = 24,005.90

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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.