Home / 52,211.35-71,997.21-30,986.52

Finding the Fourth Proportional to 52,211.35, 71,997.21 and 30,986.52

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Solution

The fourth proportional to 52,211.35, 71,997.21 and 30,986.52 is: 42,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.35 : 71,997.21 = 30,986.52 : x
  2. Step 2: Convert to fraction form
    52,211.35/71,997.21 = 30,986.52/x
  3. Step 3: Cross multiply
    52,211.35x = 71,997.21 × 30,986.52
  4. Step 4: Simplify right side
    52,211.35x = 2,230,942,987.61
  5. Step 5: Solve for x
    x = 2,230,942,987.61/52,211.35
  6. Step 6: Final answer
    x = 42,729.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.