Home / 31,867.14-43,976.07-17,719.86

Finding the Fourth Proportional to 31,867.14, 43,976.07 and 17,719.86

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Solution

The fourth proportional to 31,867.14, 43,976.07 and 17,719.86 is: 24,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.14 : 43,976.07 = 17,719.86 : x
  2. Step 2: Convert to fraction form
    31,867.14/43,976.07 = 17,719.86/x
  3. Step 3: Cross multiply
    31,867.14x = 43,976.07 × 17,719.86
  4. Step 4: Simplify right side
    31,867.14x = 779,249,803.75
  5. Step 5: Solve for x
    x = 779,249,803.75/31,867.14
  6. Step 6: Final answer
    x = 24,453.08

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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.