Home / 30,716.37-46,074.57-8,529.78

Finding the Fourth Proportional to 30,716.37, 46,074.57 and 8,529.78

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Solution

The fourth proportional to 30,716.37, 46,074.57 and 8,529.78 is: 12,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716.37 : 46,074.57 = 8,529.78 : x
  2. Step 2: Convert to fraction form
    30,716.37/46,074.57 = 8,529.78/x
  3. Step 3: Cross multiply
    30,716.37x = 46,074.57 × 8,529.78
  4. Step 4: Simplify right side
    30,716.37x = 393,005,945.69
  5. Step 5: Solve for x
    x = 393,005,945.69/30,716.37
  6. Step 6: Final answer
    x = 12,794.67

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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.