Home / 47,883.72-71,825.55-12,822.48

Finding the Fourth Proportional to 47,883.72, 71,825.55 and 12,822.48

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Solution

The fourth proportional to 47,883.72, 71,825.55 and 12,822.48 is: 19,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,883.72 : 71,825.55 = 12,822.48 : x
  2. Step 2: Convert to fraction form
    47,883.72/71,825.55 = 12,822.48/x
  3. Step 3: Cross multiply
    47,883.72x = 71,825.55 × 12,822.48
  4. Step 4: Simplify right side
    47,883.72x = 920,981,678.36
  5. Step 5: Solve for x
    x = 920,981,678.36/47,883.72
  6. Step 6: Final answer
    x = 19,233.71

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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.