Home / 30,209.37-45,313.58-7,413.46

Finding the Fourth Proportional to 30,209.37, 45,313.58 and 7,413.46

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Solution

The fourth proportional to 30,209.37, 45,313.58 and 7,413.46 is: 11,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.37 : 45,313.58 = 7,413.46 : x
  2. Step 2: Convert to fraction form
    30,209.37/45,313.58 = 7,413.46/x
  3. Step 3: Cross multiply
    30,209.37x = 45,313.58 × 7,413.46
  4. Step 4: Simplify right side
    30,209.37x = 335,930,375.72
  5. Step 5: Solve for x
    x = 335,930,375.72/30,209.37
  6. Step 6: Final answer
    x = 11,120.07

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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.