Home / 30,820.65-46,236.16-9,766.56

Finding the Fourth Proportional to 30,820.65, 46,236.16 and 9,766.56

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Solution

The fourth proportional to 30,820.65, 46,236.16 and 9,766.56 is: 14,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.65 : 46,236.16 = 9,766.56 : x
  2. Step 2: Convert to fraction form
    30,820.65/46,236.16 = 9,766.56/x
  3. Step 3: Cross multiply
    30,820.65x = 46,236.16 × 9,766.56
  4. Step 4: Simplify right side
    30,820.65x = 451,568,230.81
  5. Step 5: Solve for x
    x = 451,568,230.81/30,820.65
  6. Step 6: Final answer
    x = 14,651.48

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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.