Home / 30,960.64-46,447.68-10,183.36

Finding the Fourth Proportional to 30,960.64, 46,447.68 and 10,183.36

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Solution

The fourth proportional to 30,960.64, 46,447.68 and 10,183.36 is: 15,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.64 : 46,447.68 = 10,183.36 : x
  2. Step 2: Convert to fraction form
    30,960.64/46,447.68 = 10,183.36/x
  3. Step 3: Cross multiply
    30,960.64x = 46,447.68 × 10,183.36
  4. Step 4: Simplify right side
    30,960.64x = 472,993,446.60
  5. Step 5: Solve for x
    x = 472,993,446.60/30,960.64
  6. Step 6: Final answer
    x = 15,277.25

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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.