Home / 47,321.28-70,998.12-21,044.34

Finding the Fourth Proportional to 47,321.28, 70,998.12 and 21,044.34

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Solution

The fourth proportional to 47,321.28, 70,998.12 and 21,044.34 is: 31,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321.28 : 70,998.12 = 21,044.34 : x
  2. Step 2: Convert to fraction form
    47,321.28/70,998.12 = 21,044.34/x
  3. Step 3: Cross multiply
    47,321.28x = 70,998.12 × 21,044.34
  4. Step 4: Simplify right side
    47,321.28x = 1,494,108,576.64
  5. Step 5: Solve for x
    x = 1,494,108,576.64/47,321.28
  6. Step 6: Final answer
    x = 31,573.71

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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.