Home / 30,976.20-46,464.34-8,487.07

Finding the Fourth Proportional to 30,976.20, 46,464.34 and 8,487.07

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Solution

The fourth proportional to 30,976.20, 46,464.34 and 8,487.07 is: 12,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.20 : 46,464.34 = 8,487.07 : x
  2. Step 2: Convert to fraction form
    30,976.20/46,464.34 = 8,487.07/x
  3. Step 3: Cross multiply
    30,976.20x = 46,464.34 × 8,487.07
  4. Step 4: Simplify right side
    30,976.20x = 394,346,179.17
  5. Step 5: Solve for x
    x = 394,346,179.17/30,976.20
  6. Step 6: Final answer
    x = 12,730.62

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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.