Home / 45,928.95-68,893.79-12,650.85

Finding the Fourth Proportional to 45,928.95, 68,893.79 and 12,650.85

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Solution

The fourth proportional to 45,928.95, 68,893.79 and 12,650.85 is: 18,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.95 : 68,893.79 = 12,650.85 : x
  2. Step 2: Convert to fraction form
    45,928.95/68,893.79 = 12,650.85/x
  3. Step 3: Cross multiply
    45,928.95x = 68,893.79 × 12,650.85
  4. Step 4: Simplify right side
    45,928.95x = 871,564,658.75
  5. Step 5: Solve for x
    x = 871,564,658.75/45,928.95
  6. Step 6: Final answer
    x = 18,976.37

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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.