Home / 30,012.80-44,954.40-16,145.60

Finding the Fourth Proportional to 30,012.80, 44,954.40 and 16,145.60

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Solution

The fourth proportional to 30,012.80, 44,954.40 and 16,145.60 is: 24,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.80 : 44,954.40 = 16,145.60 : x
  2. Step 2: Convert to fraction form
    30,012.80/44,954.40 = 16,145.60/x
  3. Step 3: Cross multiply
    30,012.80x = 44,954.40 × 16,145.60
  4. Step 4: Simplify right side
    30,012.80x = 725,815,760.64
  5. Step 5: Solve for x
    x = 725,815,760.64/30,012.80
  6. Step 6: Final answer
    x = 24,183.54

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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.