Home / 35,086.10-48,413.45-19,979.38

Finding the Fourth Proportional to 35,086.10, 48,413.45 and 19,979.38

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Solution

The fourth proportional to 35,086.10, 48,413.45 and 19,979.38 is: 27,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,086.10 : 48,413.45 = 19,979.38 : x
  2. Step 2: Convert to fraction form
    35,086.10/48,413.45 = 19,979.38/x
  3. Step 3: Cross multiply
    35,086.10x = 48,413.45 × 19,979.38
  4. Step 4: Simplify right side
    35,086.10x = 967,270,714.66
  5. Step 5: Solve for x
    x = 967,270,714.66/35,086.10
  6. Step 6: Final answer
    x = 27,568.49

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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.