Home / 40,516.14-60,781.35-13,855.86

Finding the Fourth Proportional to 40,516.14, 60,781.35 and 13,855.86

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Solution

The fourth proportional to 40,516.14, 60,781.35 and 13,855.86 is: 20,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,516.14 : 60,781.35 = 13,855.86 : x
  2. Step 2: Convert to fraction form
    40,516.14/60,781.35 = 13,855.86/x
  3. Step 3: Cross multiply
    40,516.14x = 60,781.35 × 13,855.86
  4. Step 4: Simplify right side
    40,516.14x = 842,177,876.21
  5. Step 5: Solve for x
    x = 842,177,876.21/40,516.14
  6. Step 6: Final answer
    x = 20,786.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.