Home / 66,945.27-92,383.68-36,730.86

Finding the Fourth Proportional to 66,945.27, 92,383.68 and 36,730.86

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Solution

The fourth proportional to 66,945.27, 92,383.68 and 36,730.86 is: 50,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.27 : 92,383.68 = 36,730.86 : x
  2. Step 2: Convert to fraction form
    66,945.27/92,383.68 = 36,730.86/x
  3. Step 3: Cross multiply
    66,945.27x = 92,383.68 × 36,730.86
  4. Step 4: Simplify right side
    66,945.27x = 3,393,332,016.36
  5. Step 5: Solve for x
    x = 3,393,332,016.36/66,945.27
  6. Step 6: Final answer
    x = 50,688.15

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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.