Home / 47,825.38-71,744.72-21,169.26

Finding the Fourth Proportional to 47,825.38, 71,744.72 and 21,169.26

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Solution

The fourth proportional to 47,825.38, 71,744.72 and 21,169.26 is: 31,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,825.38 : 71,744.72 = 21,169.26 : x
  2. Step 2: Convert to fraction form
    47,825.38/71,744.72 = 21,169.26/x
  3. Step 3: Cross multiply
    47,825.38x = 71,744.72 × 21,169.26
  4. Step 4: Simplify right side
    47,825.38x = 1,518,782,631.31
  5. Step 5: Solve for x
    x = 1,518,782,631.31/47,825.38
  6. Step 6: Final answer
    x = 31,756.83

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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.