Home / 30,825.94-46,185.85-20,808.62

Finding the Fourth Proportional to 30,825.94, 46,185.85 and 20,808.62

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Solution

The fourth proportional to 30,825.94, 46,185.85 and 20,808.62 is: 31,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,825.94 : 46,185.85 = 20,808.62 : x
  2. Step 2: Convert to fraction form
    30,825.94/46,185.85 = 20,808.62/x
  3. Step 3: Cross multiply
    30,825.94x = 46,185.85 × 20,808.62
  4. Step 4: Simplify right side
    30,825.94x = 961,063,914.83
  5. Step 5: Solve for x
    x = 961,063,914.83/30,825.94
  6. Step 6: Final answer
    x = 31,177.12

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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.