Home / 35,084.08-48,413.70-19,978.28

Finding the Fourth Proportional to 35,084.08, 48,413.70 and 19,978.28

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Solution

The fourth proportional to 35,084.08, 48,413.70 and 19,978.28 is: 27,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,084.08 : 48,413.70 = 19,978.28 : x
  2. Step 2: Convert to fraction form
    35,084.08/48,413.70 = 19,978.28/x
  3. Step 3: Cross multiply
    35,084.08x = 48,413.70 × 19,978.28
  4. Step 4: Simplify right side
    35,084.08x = 967,222,454.44
  5. Step 5: Solve for x
    x = 967,222,454.44/35,084.08
  6. Step 6: Final answer
    x = 27,568.70

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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.