Home / 58,584.05-87,876.20-21,170.55

Finding the Fourth Proportional to 58,584.05, 87,876.20 and 21,170.55

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Solution

The fourth proportional to 58,584.05, 87,876.20 and 21,170.55 is: 31,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,584.05 : 87,876.20 = 21,170.55 : x
  2. Step 2: Convert to fraction form
    58,584.05/87,876.20 = 21,170.55/x
  3. Step 3: Cross multiply
    58,584.05x = 87,876.20 × 21,170.55
  4. Step 4: Simplify right side
    58,584.05x = 1,860,387,218.48
  5. Step 5: Solve for x
    x = 1,860,387,218.48/58,584.05
  6. Step 6: Final answer
    x = 31,755.87

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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.