Home / 30,942.78-46,438.74-11,226.96

Finding the Fourth Proportional to 30,942.78, 46,438.74 and 11,226.96

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Solution

The fourth proportional to 30,942.78, 46,438.74 and 11,226.96 is: 16,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.78 : 46,438.74 = 11,226.96 : x
  2. Step 2: Convert to fraction form
    30,942.78/46,438.74 = 11,226.96/x
  3. Step 3: Cross multiply
    30,942.78x = 46,438.74 × 11,226.96
  4. Step 4: Simplify right side
    30,942.78x = 521,365,876.43
  5. Step 5: Solve for x
    x = 521,365,876.43/30,942.78
  6. Step 6: Final answer
    x = 16,849.35

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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.