Home / 30,081.75-41,499.03-19,474.80

Finding the Fourth Proportional to 30,081.75, 41,499.03 and 19,474.80

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Solution

The fourth proportional to 30,081.75, 41,499.03 and 19,474.80 is: 26,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.75 : 41,499.03 = 19,474.80 : x
  2. Step 2: Convert to fraction form
    30,081.75/41,499.03 = 19,474.80/x
  3. Step 3: Cross multiply
    30,081.75x = 41,499.03 × 19,474.80
  4. Step 4: Simplify right side
    30,081.75x = 808,185,309.44
  5. Step 5: Solve for x
    x = 808,185,309.44/30,081.75
  6. Step 6: Final answer
    x = 26,866.30

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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.