Home / 30,950.28-46,501.38-19,861.56

Finding the Fourth Proportional to 30,950.28, 46,501.38 and 19,861.56

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Solution

The fourth proportional to 30,950.28, 46,501.38 and 19,861.56 is: 29,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,950.28 : 46,501.38 = 19,861.56 : x
  2. Step 2: Convert to fraction form
    30,950.28/46,501.38 = 19,861.56/x
  3. Step 3: Cross multiply
    30,950.28x = 46,501.38 × 19,861.56
  4. Step 4: Simplify right side
    30,950.28x = 923,589,948.95
  5. Step 5: Solve for x
    x = 923,589,948.95/30,950.28
  6. Step 6: Final answer
    x = 29,841.09

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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.