Home / 31,336.32-43,243.38-17,189.04

Finding the Fourth Proportional to 31,336.32, 43,243.38 and 17,189.04

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Solution

The fourth proportional to 31,336.32, 43,243.38 and 17,189.04 is: 23,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.32 : 43,243.38 = 17,189.04 : x
  2. Step 2: Convert to fraction form
    31,336.32/43,243.38 = 17,189.04/x
  3. Step 3: Cross multiply
    31,336.32x = 43,243.38 × 17,189.04
  4. Step 4: Simplify right side
    31,336.32x = 743,312,188.56
  5. Step 5: Solve for x
    x = 743,312,188.56/31,336.32
  6. Step 6: Final answer
    x = 23,720.47

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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.