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Finding the Fourth Proportional to 32,405.96, 48,611.34 and 11,343.68

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Solution

The fourth proportional to 32,405.96, 48,611.34 and 11,343.68 is: 17,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.96 : 48,611.34 = 11,343.68 : x
  2. Step 2: Convert to fraction form
    32,405.96/48,611.34 = 11,343.68/x
  3. Step 3: Cross multiply
    32,405.96x = 48,611.34 × 11,343.68
  4. Step 4: Simplify right side
    32,405.96x = 551,431,485.33
  5. Step 5: Solve for x
    x = 551,431,485.33/32,405.96
  6. Step 6: Final answer
    x = 17,016.36

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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.