Home / 35,187.96-52,789.62-11,813.78

Finding the Fourth Proportional to 35,187.96, 52,789.62 and 11,813.78

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Solution

The fourth proportional to 35,187.96, 52,789.62 and 11,813.78 is: 17,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.96 : 52,789.62 = 11,813.78 : x
  2. Step 2: Convert to fraction form
    35,187.96/52,789.62 = 11,813.78/x
  3. Step 3: Cross multiply
    35,187.96x = 52,789.62 × 11,813.78
  4. Step 4: Simplify right side
    35,187.96x = 623,644,956.96
  5. Step 5: Solve for x
    x = 623,644,956.96/35,187.96
  6. Step 6: Final answer
    x = 17,723.25

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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.