Home / 31,755.60-43,821.96-17,608.56

Finding the Fourth Proportional to 31,755.60, 43,821.96 and 17,608.56

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Solution

The fourth proportional to 31,755.60, 43,821.96 and 17,608.56 is: 24,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.60 : 43,821.96 = 17,608.56 : x
  2. Step 2: Convert to fraction form
    31,755.60/43,821.96 = 17,608.56/x
  3. Step 3: Cross multiply
    31,755.60x = 43,821.96 × 17,608.56
  4. Step 4: Simplify right side
    31,755.60x = 771,641,611.98
  5. Step 5: Solve for x
    x = 771,641,611.98/31,755.60
  6. Step 6: Final answer
    x = 24,299.39

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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.