Home / 31,543.75-43,530.42-17,396.56

Finding the Fourth Proportional to 31,543.75, 43,530.42 and 17,396.56

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Solution

The fourth proportional to 31,543.75, 43,530.42 and 17,396.56 is: 24,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.75 : 43,530.42 = 17,396.56 : x
  2. Step 2: Convert to fraction form
    31,543.75/43,530.42 = 17,396.56/x
  3. Step 3: Cross multiply
    31,543.75x = 43,530.42 × 17,396.56
  4. Step 4: Simplify right side
    31,543.75x = 757,279,563.36
  5. Step 5: Solve for x
    x = 757,279,563.36/31,543.75
  6. Step 6: Final answer
    x = 24,007.28

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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.