Home / 32,129.20-48,161.40-14,611.60

Finding the Fourth Proportional to 32,129.20, 48,161.40 and 14,611.60

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Solution

The fourth proportional to 32,129.20, 48,161.40 and 14,611.60 is: 21,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.20 : 48,161.40 = 14,611.60 : x
  2. Step 2: Convert to fraction form
    32,129.20/48,161.40 = 14,611.60/x
  3. Step 3: Cross multiply
    32,129.20x = 48,161.40 × 14,611.60
  4. Step 4: Simplify right side
    32,129.20x = 703,715,112.24
  5. Step 5: Solve for x
    x = 703,715,112.24/32,129.20
  6. Step 6: Final answer
    x = 21,902.67

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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.