Home / 45,745.21-68,610.80-12,467.95

Finding the Fourth Proportional to 45,745.21, 68,610.80 and 12,467.95

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Solution

The fourth proportional to 45,745.21, 68,610.80 and 12,467.95 is: 18,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.21 : 68,610.80 = 12,467.95 : x
  2. Step 2: Convert to fraction form
    45,745.21/68,610.80 = 12,467.95/x
  3. Step 3: Cross multiply
    45,745.21x = 68,610.80 × 12,467.95
  4. Step 4: Simplify right side
    45,745.21x = 855,436,085.24
  5. Step 5: Solve for x
    x = 855,436,085.24/45,745.21
  6. Step 6: Final answer
    x = 18,700.02

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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.