Home / 31,935.66-44,069.31-18,505.86

Finding the Fourth Proportional to 31,935.66, 44,069.31 and 18,505.86

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Solution

The fourth proportional to 31,935.66, 44,069.31 and 18,505.86 is: 25,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.66 : 44,069.31 = 18,505.86 : x
  2. Step 2: Convert to fraction form
    31,935.66/44,069.31 = 18,505.86/x
  3. Step 3: Cross multiply
    31,935.66x = 44,069.31 × 18,505.86
  4. Step 4: Simplify right side
    31,935.66x = 815,540,481.16
  5. Step 5: Solve for x
    x = 815,540,481.16/31,935.66
  6. Step 6: Final answer
    x = 25,536.99

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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.