Home / 52,190.21-78,215.60-27,177.82

Finding the Fourth Proportional to 52,190.21, 78,215.60 and 27,177.82

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Solution

The fourth proportional to 52,190.21, 78,215.60 and 27,177.82 is: 40,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.21 : 78,215.60 = 27,177.82 : x
  2. Step 2: Convert to fraction form
    52,190.21/78,215.60 = 27,177.82/x
  3. Step 3: Cross multiply
    52,190.21x = 78,215.60 × 27,177.82
  4. Step 4: Simplify right side
    52,190.21x = 2,125,729,497.99
  5. Step 5: Solve for x
    x = 2,125,729,497.99/52,190.21
  6. Step 6: Final answer
    x = 40,730.43

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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.