Home / 30,982.33-46,447.37-13,438.95

Finding the Fourth Proportional to 30,982.33, 46,447.37 and 13,438.95

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Solution

The fourth proportional to 30,982.33, 46,447.37 and 13,438.95 is: 20,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.33 : 46,447.37 = 13,438.95 : x
  2. Step 2: Convert to fraction form
    30,982.33/46,447.37 = 13,438.95/x
  3. Step 3: Cross multiply
    30,982.33x = 46,447.37 × 13,438.95
  4. Step 4: Simplify right side
    30,982.33x = 624,203,883.06
  5. Step 5: Solve for x
    x = 624,203,883.06/30,982.33
  6. Step 6: Final answer
    x = 20,147.09

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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.