Home / 30,568.41-42,183.72-16,956.45

Finding the Fourth Proportional to 30,568.41, 42,183.72 and 16,956.45

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Solution

The fourth proportional to 30,568.41, 42,183.72 and 16,956.45 is: 23,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.41 : 42,183.72 = 16,956.45 : x
  2. Step 2: Convert to fraction form
    30,568.41/42,183.72 = 16,956.45/x
  3. Step 3: Cross multiply
    30,568.41x = 42,183.72 × 16,956.45
  4. Step 4: Simplify right side
    30,568.41x = 715,286,138.99
  5. Step 5: Solve for x
    x = 715,286,138.99/30,568.41
  6. Step 6: Final answer
    x = 23,399.52

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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.