Home / 31,914.66-44,042.18-18,486.57

Finding the Fourth Proportional to 31,914.66, 44,042.18 and 18,486.57

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Solution

The fourth proportional to 31,914.66, 44,042.18 and 18,486.57 is: 25,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.66 : 44,042.18 = 18,486.57 : x
  2. Step 2: Convert to fraction form
    31,914.66/44,042.18 = 18,486.57/x
  3. Step 3: Cross multiply
    31,914.66x = 44,042.18 × 18,486.57
  4. Step 4: Simplify right side
    31,914.66x = 814,188,751.09
  5. Step 5: Solve for x
    x = 814,188,751.09/31,914.66
  6. Step 6: Final answer
    x = 25,511.43

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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.