Home / 31,707.19-43,757.11-18,097.44

Finding the Fourth Proportional to 31,707.19, 43,757.11 and 18,097.44

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Solution

The fourth proportional to 31,707.19, 43,757.11 and 18,097.44 is: 24,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.19 : 43,757.11 = 18,097.44 : x
  2. Step 2: Convert to fraction form
    31,707.19/43,757.11 = 18,097.44/x
  3. Step 3: Cross multiply
    31,707.19x = 43,757.11 × 18,097.44
  4. Step 4: Simplify right side
    31,707.19x = 791,891,672.80
  5. Step 5: Solve for x
    x = 791,891,672.80/31,707.19
  6. Step 6: Final answer
    x = 24,975.15

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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.