Home / 30,975.20-46,464.57-8,786.84

Finding the Fourth Proportional to 30,975.20, 46,464.57 and 8,786.84

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Solution

The fourth proportional to 30,975.20, 46,464.57 and 8,786.84 is: 13,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.20 : 46,464.57 = 8,786.84 : x
  2. Step 2: Convert to fraction form
    30,975.20/46,464.57 = 8,786.84/x
  3. Step 3: Cross multiply
    30,975.20x = 46,464.57 × 8,786.84
  4. Step 4: Simplify right side
    30,975.20x = 408,276,509.94
  5. Step 5: Solve for x
    x = 408,276,509.94/30,975.20
  6. Step 6: Final answer
    x = 13,180.75

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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.