Home / 33,153.14-45,752.32-20,413.67

Finding the Fourth Proportional to 33,153.14, 45,752.32 and 20,413.67

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Solution

The fourth proportional to 33,153.14, 45,752.32 and 20,413.67 is: 28,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.14 : 45,752.32 = 20,413.67 : x
  2. Step 2: Convert to fraction form
    33,153.14/45,752.32 = 20,413.67/x
  3. Step 3: Cross multiply
    33,153.14x = 45,752.32 × 20,413.67
  4. Step 4: Simplify right side
    33,153.14x = 933,972,762.21
  5. Step 5: Solve for x
    x = 933,972,762.21/33,153.14
  6. Step 6: Final answer
    x = 28,171.47

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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.