Home / 40,391.85-60,596.49-12,311.19

Finding the Fourth Proportional to 40,391.85, 60,596.49 and 12,311.19

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Solution

The fourth proportional to 40,391.85, 60,596.49 and 12,311.19 is: 18,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.85 : 60,596.49 = 12,311.19 : x
  2. Step 2: Convert to fraction form
    40,391.85/60,596.49 = 12,311.19/x
  3. Step 3: Cross multiply
    40,391.85x = 60,596.49 × 12,311.19
  4. Step 4: Simplify right side
    40,391.85x = 746,014,901.72
  5. Step 5: Solve for x
    x = 746,014,901.72/40,391.85
  6. Step 6: Final answer
    x = 18,469.44

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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.