Home / 32,127.57-48,163.64-12,419.96

Finding the Fourth Proportional to 32,127.57, 48,163.64 and 12,419.96

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Solution

The fourth proportional to 32,127.57, 48,163.64 and 12,419.96 is: 18,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,127.57 : 48,163.64 = 12,419.96 : x
  2. Step 2: Convert to fraction form
    32,127.57/48,163.64 = 12,419.96/x
  3. Step 3: Cross multiply
    32,127.57x = 48,163.64 × 12,419.96
  4. Step 4: Simplify right side
    32,127.57x = 598,190,179.34
  5. Step 5: Solve for x
    x = 598,190,179.34/32,127.57
  6. Step 6: Final answer
    x = 18,619.22

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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.