Home / 47,941.63-71,912.41-12,881.27

Finding the Fourth Proportional to 47,941.63, 71,912.41 and 12,881.27

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Solution

The fourth proportional to 47,941.63, 71,912.41 and 12,881.27 is: 19,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.63 : 71,912.41 = 12,881.27 : x
  2. Step 2: Convert to fraction form
    47,941.63/71,912.41 = 12,881.27/x
  3. Step 3: Cross multiply
    47,941.63x = 71,912.41 × 12,881.27
  4. Step 4: Simplify right side
    47,941.63x = 926,323,317.14
  5. Step 5: Solve for x
    x = 926,323,317.14/47,941.63
  6. Step 6: Final answer
    x = 19,321.90

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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.