Home / 37,413.62-51,631.45-20,418.01

Finding the Fourth Proportional to 37,413.62, 51,631.45 and 20,418.01

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Solution

The fourth proportional to 37,413.62, 51,631.45 and 20,418.01 is: 28,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.62 : 51,631.45 = 20,418.01 : x
  2. Step 2: Convert to fraction form
    37,413.62/51,631.45 = 20,418.01/x
  3. Step 3: Cross multiply
    37,413.62x = 51,631.45 × 20,418.01
  4. Step 4: Simplify right side
    37,413.62x = 1,054,211,458.78
  5. Step 5: Solve for x
    x = 1,054,211,458.78/37,413.62
  6. Step 6: Final answer
    x = 28,177.21

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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.