Home / 30,745.39-46,013.84-18,906.60

Finding the Fourth Proportional to 30,745.39, 46,013.84 and 18,906.60

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Solution

The fourth proportional to 30,745.39, 46,013.84 and 18,906.60 is: 28,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.39 : 46,013.84 = 18,906.60 : x
  2. Step 2: Convert to fraction form
    30,745.39/46,013.84 = 18,906.60/x
  3. Step 3: Cross multiply
    30,745.39x = 46,013.84 × 18,906.60
  4. Step 4: Simplify right side
    30,745.39x = 869,965,267.34
  5. Step 5: Solve for x
    x = 869,965,267.34/30,745.39
  6. Step 6: Final answer
    x = 28,295.80

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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.