Home / 37,413.94-51,631.54-20,418.32

Finding the Fourth Proportional to 37,413.94, 51,631.54 and 20,418.32

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Solution

The fourth proportional to 37,413.94, 51,631.54 and 20,418.32 is: 28,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.94 : 51,631.54 = 20,418.32 : x
  2. Step 2: Convert to fraction form
    37,413.94/51,631.54 = 20,418.32/x
  3. Step 3: Cross multiply
    37,413.94x = 51,631.54 × 20,418.32
  4. Step 4: Simplify right side
    37,413.94x = 1,054,229,305.81
  5. Step 5: Solve for x
    x = 1,054,229,305.81/37,413.94
  6. Step 6: Final answer
    x = 28,177.45

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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.