Home / 40,431.68-60,626.40-12,722.24

Finding the Fourth Proportional to 40,431.68, 60,626.40 and 12,722.24

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Solution

The fourth proportional to 40,431.68, 60,626.40 and 12,722.24 is: 19,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.68 : 60,626.40 = 12,722.24 : x
  2. Step 2: Convert to fraction form
    40,431.68/60,626.40 = 12,722.24/x
  3. Step 3: Cross multiply
    40,431.68x = 60,626.40 × 12,722.24
  4. Step 4: Simplify right side
    40,431.68x = 771,303,611.14
  5. Step 5: Solve for x
    x = 771,303,611.14/40,431.68
  6. Step 6: Final answer
    x = 19,076.71

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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.