Home / 45,414.90-68,122.35-28,793.70

Finding the Fourth Proportional to 45,414.90, 68,122.35 and 28,793.70

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Solution

The fourth proportional to 45,414.90, 68,122.35 and 28,793.70 is: 43,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414.90 : 68,122.35 = 28,793.70 : x
  2. Step 2: Convert to fraction form
    45,414.90/68,122.35 = 28,793.70/x
  3. Step 3: Cross multiply
    45,414.90x = 68,122.35 × 28,793.70
  4. Step 4: Simplify right side
    45,414.90x = 1,961,494,509.20
  5. Step 5: Solve for x
    x = 1,961,494,509.20/45,414.90
  6. Step 6: Final answer
    x = 43,190.55

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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.