Home / 30,942.75-46,406.68-14,286.78

Finding the Fourth Proportional to 30,942.75, 46,406.68 and 14,286.78

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Solution

The fourth proportional to 30,942.75, 46,406.68 and 14,286.78 is: 21,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.75 : 46,406.68 = 14,286.78 : x
  2. Step 2: Convert to fraction form
    30,942.75/46,406.68 = 14,286.78/x
  3. Step 3: Cross multiply
    30,942.75x = 46,406.68 × 14,286.78
  4. Step 4: Simplify right side
    30,942.75x = 663,002,027.69
  5. Step 5: Solve for x
    x = 663,002,027.69/30,942.75
  6. Step 6: Final answer
    x = 21,426.73

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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.