Home / 53,190.38-79,799.24-19,910.93

Finding the Fourth Proportional to 53,190.38, 79,799.24 and 19,910.93

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Solution

The fourth proportional to 53,190.38, 79,799.24 and 19,910.93 is: 29,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.38 : 79,799.24 = 19,910.93 : x
  2. Step 2: Convert to fraction form
    53,190.38/79,799.24 = 19,910.93/x
  3. Step 3: Cross multiply
    53,190.38x = 79,799.24 × 19,910.93
  4. Step 4: Simplify right side
    53,190.38x = 1,588,876,583.14
  5. Step 5: Solve for x
    x = 1,588,876,583.14/53,190.38
  6. Step 6: Final answer
    x = 29,871.51

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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.