Home / 39,076.16-58,519.20-18,305.60

Finding the Fourth Proportional to 39,076.16, 58,519.20 and 18,305.60

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Solution

The fourth proportional to 39,076.16, 58,519.20 and 18,305.60 is: 27,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,076.16 : 58,519.20 = 18,305.60 : x
  2. Step 2: Convert to fraction form
    39,076.16/58,519.20 = 18,305.60/x
  3. Step 3: Cross multiply
    39,076.16x = 58,519.20 × 18,305.60
  4. Step 4: Simplify right side
    39,076.16x = 1,071,229,067.52
  5. Step 5: Solve for x
    x = 1,071,229,067.52/39,076.16
  6. Step 6: Final answer
    x = 27,413.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.