Home / 29,660.72-40,930.24-16,229.36

Finding the Fourth Proportional to 29,660.72, 40,930.24 and 16,229.36

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Solution

The fourth proportional to 29,660.72, 40,930.24 and 16,229.36 is: 22,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.72 : 40,930.24 = 16,229.36 : x
  2. Step 2: Convert to fraction form
    29,660.72/40,930.24 = 16,229.36/x
  3. Step 3: Cross multiply
    29,660.72x = 40,930.24 × 16,229.36
  4. Step 4: Simplify right side
    29,660.72x = 664,271,599.85
  5. Step 5: Solve for x
    x = 664,271,599.85/29,660.72
  6. Step 6: Final answer
    x = 22,395.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.