Home / 19,745.54-29,618.46-4,954.53

Finding the Fourth Proportional to 19,745.54, 29,618.46 and 4,954.53

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Solution

The fourth proportional to 19,745.54, 29,618.46 and 4,954.53 is: 7,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.54 : 29,618.46 = 4,954.53 : x
  2. Step 2: Convert to fraction form
    19,745.54/29,618.46 = 4,954.53/x
  3. Step 3: Cross multiply
    19,745.54x = 29,618.46 × 4,954.53
  4. Step 4: Simplify right side
    19,745.54x = 146,745,659.69
  5. Step 5: Solve for x
    x = 146,745,659.69/19,745.54
  6. Step 6: Final answer
    x = 7,431.84

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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.