Home / 33,153.23-45,752.45-20,413.77

Finding the Fourth Proportional to 33,153.23, 45,752.45 and 20,413.77

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Solution

The fourth proportional to 33,153.23, 45,752.45 and 20,413.77 is: 28,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.23 : 45,752.45 = 20,413.77 : x
  2. Step 2: Convert to fraction form
    33,153.23/45,752.45 = 20,413.77/x
  3. Step 3: Cross multiply
    33,153.23x = 45,752.45 × 20,413.77
  4. Step 4: Simplify right side
    33,153.23x = 933,979,991.24
  5. Step 5: Solve for x
    x = 933,979,991.24/33,153.23
  6. Step 6: Final answer
    x = 28,171.61

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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.