Home / 31,542.87-43,529.15-17,395.73

Finding the Fourth Proportional to 31,542.87, 43,529.15 and 17,395.73

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Solution

The fourth proportional to 31,542.87, 43,529.15 and 17,395.73 is: 24,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.87 : 43,529.15 = 17,395.73 : x
  2. Step 2: Convert to fraction form
    31,542.87/43,529.15 = 17,395.73/x
  3. Step 3: Cross multiply
    31,542.87x = 43,529.15 × 17,395.73
  4. Step 4: Simplify right side
    31,542.87x = 757,221,035.91
  5. Step 5: Solve for x
    x = 757,221,035.91/31,542.87
  6. Step 6: Final answer
    x = 24,006.09

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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.