Home / 76,336.12-114,504.36-20,932.12

Finding the Fourth Proportional to 76,336.12, 114,504.36 and 20,932.12

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Solution

The fourth proportional to 76,336.12, 114,504.36 and 20,932.12 is: 31,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.12 : 114,504.36 = 20,932.12 : x
  2. Step 2: Convert to fraction form
    76,336.12/114,504.36 = 20,932.12/x
  3. Step 3: Cross multiply
    76,336.12x = 114,504.36 × 20,932.12
  4. Step 4: Simplify right side
    76,336.12x = 2,396,819,004.04
  5. Step 5: Solve for x
    x = 2,396,819,004.04/76,336.12
  6. Step 6: Final answer
    x = 31,398.23

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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.