Home / 32,640.08-48,976.32-12,932.80

Finding the Fourth Proportional to 32,640.08, 48,976.32 and 12,932.80

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Solution

The fourth proportional to 32,640.08, 48,976.32 and 12,932.80 is: 19,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.08 : 48,976.32 = 12,932.80 : x
  2. Step 2: Convert to fraction form
    32,640.08/48,976.32 = 12,932.80/x
  3. Step 3: Cross multiply
    32,640.08x = 48,976.32 × 12,932.80
  4. Step 4: Simplify right side
    32,640.08x = 633,400,951.30
  5. Step 5: Solve for x
    x = 633,400,951.30/32,640.08
  6. Step 6: Final answer
    x = 19,405.62

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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.