Home / 30,745.93-46,130.51-12,039.33

Finding the Fourth Proportional to 30,745.93, 46,130.51 and 12,039.33

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Solution

The fourth proportional to 30,745.93, 46,130.51 and 12,039.33 is: 18,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.93 : 46,130.51 = 12,039.33 : x
  2. Step 2: Convert to fraction form
    30,745.93/46,130.51 = 12,039.33/x
  3. Step 3: Cross multiply
    30,745.93x = 46,130.51 × 12,039.33
  4. Step 4: Simplify right side
    30,745.93x = 555,380,636.05
  5. Step 5: Solve for x
    x = 555,380,636.05/30,745.93
  6. Step 6: Final answer
    x = 18,063.55

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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.