Home / 53,183.71-79,789.38-19,906.39

Finding the Fourth Proportional to 53,183.71, 79,789.38 and 19,906.39

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Solution

The fourth proportional to 53,183.71, 79,789.38 and 19,906.39 is: 29,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,183.71 : 79,789.38 = 19,906.39 : x
  2. Step 2: Convert to fraction form
    53,183.71/79,789.38 = 19,906.39/x
  3. Step 3: Cross multiply
    53,183.71x = 79,789.38 × 19,906.39
  4. Step 4: Simplify right side
    53,183.71x = 1,588,318,516.14
  5. Step 5: Solve for x
    x = 1,588,318,516.14/53,183.71
  6. Step 6: Final answer
    x = 29,864.76

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1.5x scale

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.