Home / 45,928.45-68,893.04-12,650.35

Finding the Fourth Proportional to 45,928.45, 68,893.04 and 12,650.35

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Solution

The fourth proportional to 45,928.45, 68,893.04 and 12,650.35 is: 18,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.45 : 68,893.04 = 12,650.35 : x
  2. Step 2: Convert to fraction form
    45,928.45/68,893.04 = 12,650.35/x
  3. Step 3: Cross multiply
    45,928.45x = 68,893.04 × 12,650.35
  4. Step 4: Simplify right side
    45,928.45x = 871,520,692.47
  5. Step 5: Solve for x
    x = 871,520,692.47/45,928.45
  6. Step 6: Final answer
    x = 18,975.62

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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.