Home / 31,856.14-43,961.51-17,516.21

Finding the Fourth Proportional to 31,856.14, 43,961.51 and 17,516.21

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Solution

The fourth proportional to 31,856.14, 43,961.51 and 17,516.21 is: 24,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.14 : 43,961.51 = 17,516.21 : x
  2. Step 2: Convert to fraction form
    31,856.14/43,961.51 = 17,516.21/x
  3. Step 3: Cross multiply
    31,856.14x = 43,961.51 × 17,516.21
  4. Step 4: Simplify right side
    31,856.14x = 770,039,217.63
  5. Step 5: Solve for x
    x = 770,039,217.63/31,856.14
  6. Step 6: Final answer
    x = 24,172.39

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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.