Home / 30,517.14-45,794.97-12,986.94

Finding the Fourth Proportional to 30,517.14, 45,794.97 and 12,986.94

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Solution

The fourth proportional to 30,517.14, 45,794.97 and 12,986.94 is: 19,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.14 : 45,794.97 = 12,986.94 : x
  2. Step 2: Convert to fraction form
    30,517.14/45,794.97 = 12,986.94/x
  3. Step 3: Cross multiply
    30,517.14x = 45,794.97 × 12,986.94
  4. Step 4: Simplify right side
    30,517.14x = 594,736,527.69
  5. Step 5: Solve for x
    x = 594,736,527.69/30,517.14
  6. Step 6: Final answer
    x = 19,488.61

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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.