Home / 45,835.20-68,752.80-40,294.80

Finding the Fourth Proportional to 45,835.20, 68,752.80 and 40,294.80

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Solution

The fourth proportional to 45,835.20, 68,752.80 and 40,294.80 is: 60,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,835.20 : 68,752.80 = 40,294.80 : x
  2. Step 2: Convert to fraction form
    45,835.20/68,752.80 = 40,294.80/x
  3. Step 3: Cross multiply
    45,835.20x = 68,752.80 × 40,294.80
  4. Step 4: Simplify right side
    45,835.20x = 2,770,380,325.44
  5. Step 5: Solve for x
    x = 2,770,380,325.44/45,835.20
  6. Step 6: Final answer
    x = 60,442.20

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1.5x scale

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.