Home / 40,255.20-60,366.36-12,166.56

Finding the Fourth Proportional to 40,255.20, 60,366.36 and 12,166.56

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Solution

The fourth proportional to 40,255.20, 60,366.36 and 12,166.56 is: 18,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.20 : 60,366.36 = 12,166.56 : x
  2. Step 2: Convert to fraction form
    40,255.20/60,366.36 = 12,166.56/x
  3. Step 3: Cross multiply
    40,255.20x = 60,366.36 × 12,166.56
  4. Step 4: Simplify right side
    40,255.20x = 734,450,940.92
  5. Step 5: Solve for x
    x = 734,450,940.92/40,255.20
  6. Step 6: Final answer
    x = 18,244.87

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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.