Home / 30,982.44-46,480.14-15,391.56

Finding the Fourth Proportional to 30,982.44, 46,480.14 and 15,391.56

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Solution

The fourth proportional to 30,982.44, 46,480.14 and 15,391.56 is: 23,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.44 : 46,480.14 = 15,391.56 : x
  2. Step 2: Convert to fraction form
    30,982.44/46,480.14 = 15,391.56/x
  3. Step 3: Cross multiply
    30,982.44x = 46,480.14 × 15,391.56
  4. Step 4: Simplify right side
    30,982.44x = 715,401,863.62
  5. Step 5: Solve for x
    x = 715,401,863.62/30,982.44
  6. Step 6: Final answer
    x = 23,090.56

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1.5x scale

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.