Home / 30,680.87-46,016.16-8,496.48

Finding the Fourth Proportional to 30,680.87, 46,016.16 and 8,496.48

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Solution

The fourth proportional to 30,680.87, 46,016.16 and 8,496.48 is: 12,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.87 : 46,016.16 = 8,496.48 : x
  2. Step 2: Convert to fraction form
    30,680.87/46,016.16 = 8,496.48/x
  3. Step 3: Cross multiply
    30,680.87x = 46,016.16 × 8,496.48
  4. Step 4: Simplify right side
    30,680.87x = 390,975,383.12
  5. Step 5: Solve for x
    x = 390,975,383.12/30,680.87
  6. Step 6: Final answer
    x = 12,743.30

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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.