Home / 69,693.21-104,546.30-19,774.53

Finding the Fourth Proportional to 69,693.21, 104,546.30 and 19,774.53

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Solution

The fourth proportional to 69,693.21, 104,546.30 and 19,774.53 is: 29,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.21 : 104,546.30 = 19,774.53 : x
  2. Step 2: Convert to fraction form
    69,693.21/104,546.30 = 19,774.53/x
  3. Step 3: Cross multiply
    69,693.21x = 104,546.30 × 19,774.53
  4. Step 4: Simplify right side
    69,693.21x = 2,067,353,846.87
  5. Step 5: Solve for x
    x = 2,067,353,846.87/69,693.21
  6. Step 6: Final answer
    x = 29,663.63

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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.