Home / 31,863.78-43,971.75-17,716.50

Finding the Fourth Proportional to 31,863.78, 43,971.75 and 17,716.50

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Solution

The fourth proportional to 31,863.78, 43,971.75 and 17,716.50 is: 24,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.78 : 43,971.75 = 17,716.50 : x
  2. Step 2: Convert to fraction form
    31,863.78/43,971.75 = 17,716.50/x
  3. Step 3: Cross multiply
    31,863.78x = 43,971.75 × 17,716.50
  4. Step 4: Simplify right side
    31,863.78x = 779,025,508.88
  5. Step 5: Solve for x
    x = 779,025,508.88/31,863.78
  6. Step 6: Final answer
    x = 24,448.62

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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.