Home / 31,480.42-46,990.30-27,743.84

Finding the Fourth Proportional to 31,480.42, 46,990.30 and 27,743.84

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Solution

The fourth proportional to 31,480.42, 46,990.30 and 27,743.84 is: 41,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.42 : 46,990.30 = 27,743.84 : x
  2. Step 2: Convert to fraction form
    31,480.42/46,990.30 = 27,743.84/x
  3. Step 3: Cross multiply
    31,480.42x = 46,990.30 × 27,743.84
  4. Step 4: Simplify right side
    31,480.42x = 1,303,691,351.32
  5. Step 5: Solve for x
    x = 1,303,691,351.32/31,480.42
  6. Step 6: Final answer
    x = 41,412.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.