Home / 66,403.37-91,635.49-36,188.96

Finding the Fourth Proportional to 66,403.37, 91,635.49 and 36,188.96

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Solution

The fourth proportional to 66,403.37, 91,635.49 and 36,188.96 is: 49,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.37 : 91,635.49 = 36,188.96 : x
  2. Step 2: Convert to fraction form
    66,403.37/91,635.49 = 36,188.96/x
  3. Step 3: Cross multiply
    66,403.37x = 91,635.49 × 36,188.96
  4. Step 4: Simplify right side
    66,403.37x = 3,316,192,669.25
  5. Step 5: Solve for x
    x = 3,316,192,669.25/66,403.37
  6. Step 6: Final answer
    x = 49,940.12

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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.