Home / 47,323.28-71,001.12-21,046.34

Finding the Fourth Proportional to 47,323.28, 71,001.12 and 21,046.34

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Solution

The fourth proportional to 47,323.28, 71,001.12 and 21,046.34 is: 31,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323.28 : 71,001.12 = 21,046.34 : x
  2. Step 2: Convert to fraction form
    47,323.28/71,001.12 = 21,046.34/x
  3. Step 3: Cross multiply
    47,323.28x = 71,001.12 × 21,046.34
  4. Step 4: Simplify right side
    47,323.28x = 1,494,313,711.90
  5. Step 5: Solve for x
    x = 1,494,313,711.90/47,323.28
  6. Step 6: Final answer
    x = 31,576.71

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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.