Home / 49,808.52-74,745.18-18,643.50

Finding the Fourth Proportional to 49,808.52, 74,745.18 and 18,643.50

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Solution

The fourth proportional to 49,808.52, 74,745.18 and 18,643.50 is: 27,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.52 : 74,745.18 = 18,643.50 : x
  2. Step 2: Convert to fraction form
    49,808.52/74,745.18 = 18,643.50/x
  3. Step 3: Cross multiply
    49,808.52x = 74,745.18 × 18,643.50
  4. Step 4: Simplify right side
    49,808.52x = 1,393,511,763.33
  5. Step 5: Solve for x
    x = 1,393,511,763.33/49,808.52
  6. Step 6: Final answer
    x = 27,977.38

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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.