Home / 30,422.39-41,982.81-16,993.67

Finding the Fourth Proportional to 30,422.39, 41,982.81 and 16,993.67

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Solution

The fourth proportional to 30,422.39, 41,982.81 and 16,993.67 is: 23,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.39 : 41,982.81 = 16,993.67 : x
  2. Step 2: Convert to fraction form
    30,422.39/41,982.81 = 16,993.67/x
  3. Step 3: Cross multiply
    30,422.39x = 41,982.81 × 16,993.67
  4. Step 4: Simplify right side
    30,422.39x = 713,441,745.17
  5. Step 5: Solve for x
    x = 713,441,745.17/30,422.39
  6. Step 6: Final answer
    x = 23,451.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.