Home / 30,493.99-45,745.23-9,435.73

Finding the Fourth Proportional to 30,493.99, 45,745.23 and 9,435.73

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Solution

The fourth proportional to 30,493.99, 45,745.23 and 9,435.73 is: 14,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,493.99 : 45,745.23 = 9,435.73 : x
  2. Step 2: Convert to fraction form
    30,493.99/45,745.23 = 9,435.73/x
  3. Step 3: Cross multiply
    30,493.99x = 45,745.23 × 9,435.73
  4. Step 4: Simplify right side
    30,493.99x = 431,639,639.07
  5. Step 5: Solve for x
    x = 431,639,639.07/30,493.99
  6. Step 6: Final answer
    x = 14,154.91

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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.