Home / 30,323.85-45,469.58-12,773.85

Finding the Fourth Proportional to 30,323.85, 45,469.58 and 12,773.85

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Solution

The fourth proportional to 30,323.85, 45,469.58 and 12,773.85 is: 19,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.85 : 45,469.58 = 12,773.85 : x
  2. Step 2: Convert to fraction form
    30,323.85/45,469.58 = 12,773.85/x
  3. Step 3: Cross multiply
    30,323.85x = 45,469.58 × 12,773.85
  4. Step 4: Simplify right side
    30,323.85x = 580,821,530.61
  5. Step 5: Solve for x
    x = 580,821,530.61/30,323.85
  6. Step 6: Final answer
    x = 19,153.95

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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.