Home / 35,167.20-52,747.16-18,520.48

Finding the Fourth Proportional to 35,167.20, 52,747.16 and 18,520.48

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Solution

The fourth proportional to 35,167.20, 52,747.16 and 18,520.48 is: 27,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,167.20 : 52,747.16 = 18,520.48 : x
  2. Step 2: Convert to fraction form
    35,167.20/52,747.16 = 18,520.48/x
  3. Step 3: Cross multiply
    35,167.20x = 52,747.16 × 18,520.48
  4. Step 4: Simplify right side
    35,167.20x = 976,902,721.84
  5. Step 5: Solve for x
    x = 976,902,721.84/35,167.20
  6. Step 6: Final answer
    x = 27,778.80

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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.