Home / 45,543.40-68,324.70-19,234.60

Finding the Fourth Proportional to 45,543.40, 68,324.70 and 19,234.60

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Solution

The fourth proportional to 45,543.40, 68,324.70 and 19,234.60 is: 28,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.40 : 68,324.70 = 19,234.60 : x
  2. Step 2: Convert to fraction form
    45,543.40/68,324.70 = 19,234.60/x
  3. Step 3: Cross multiply
    45,543.40x = 68,324.70 × 19,234.60
  4. Step 4: Simplify right side
    45,543.40x = 1,314,198,274.62
  5. Step 5: Solve for x
    x = 1,314,198,274.62/45,543.40
  6. Step 6: Final answer
    x = 28,855.95

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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.