Home / 31,867.42-43,975.23-17,719.96

Finding the Fourth Proportional to 31,867.42, 43,975.23 and 17,719.96

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Solution

The fourth proportional to 31,867.42, 43,975.23 and 17,719.96 is: 24,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.42 : 43,975.23 = 17,719.96 : x
  2. Step 2: Convert to fraction form
    31,867.42/43,975.23 = 17,719.96/x
  3. Step 3: Cross multiply
    31,867.42x = 43,975.23 × 17,719.96
  4. Step 4: Simplify right side
    31,867.42x = 779,239,316.59
  5. Step 5: Solve for x
    x = 779,239,316.59/31,867.42
  6. Step 6: Final answer
    x = 24,452.54

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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.