Home / 30,846.21-46,262.12-8,661.73

Finding the Fourth Proportional to 30,846.21, 46,262.12 and 8,661.73

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Solution

The fourth proportional to 30,846.21, 46,262.12 and 8,661.73 is: 12,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.21 : 46,262.12 = 8,661.73 : x
  2. Step 2: Convert to fraction form
    30,846.21/46,262.12 = 8,661.73/x
  3. Step 3: Cross multiply
    30,846.21x = 46,262.12 × 8,661.73
  4. Step 4: Simplify right side
    30,846.21x = 400,709,783.01
  5. Step 5: Solve for x
    x = 400,709,783.01/30,846.21
  6. Step 6: Final answer
    x = 12,990.57

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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.