Home / 31,375.92-43,296.08-17,945.04

Finding the Fourth Proportional to 31,375.92, 43,296.08 and 17,945.04

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Solution

The fourth proportional to 31,375.92, 43,296.08 and 17,945.04 is: 24,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.92 : 43,296.08 = 17,945.04 : x
  2. Step 2: Convert to fraction form
    31,375.92/43,296.08 = 17,945.04/x
  3. Step 3: Cross multiply
    31,375.92x = 43,296.08 × 17,945.04
  4. Step 4: Simplify right side
    31,375.92x = 776,949,887.44
  5. Step 5: Solve for x
    x = 776,949,887.44/31,375.92
  6. Step 6: Final answer
    x = 24,762.62

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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.