Home / 32,768.20-49,152.30-18,722.80

Finding the Fourth Proportional to 32,768.20, 49,152.30 and 18,722.80

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Solution

The fourth proportional to 32,768.20, 49,152.30 and 18,722.80 is: 28,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.20 : 49,152.30 = 18,722.80 : x
  2. Step 2: Convert to fraction form
    32,768.20/49,152.30 = 18,722.80/x
  3. Step 3: Cross multiply
    32,768.20x = 49,152.30 × 18,722.80
  4. Step 4: Simplify right side
    32,768.20x = 920,268,682.44
  5. Step 5: Solve for x
    x = 920,268,682.44/32,768.20
  6. Step 6: Final answer
    x = 28,084.20

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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.