Home / 30,080.88-41,530.44-19,330.09

Finding the Fourth Proportional to 30,080.88, 41,530.44 and 19,330.09

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Solution

The fourth proportional to 30,080.88, 41,530.44 and 19,330.09 is: 26,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.88 : 41,530.44 = 19,330.09 : x
  2. Step 2: Convert to fraction form
    30,080.88/41,530.44 = 19,330.09/x
  3. Step 3: Cross multiply
    30,080.88x = 41,530.44 × 19,330.09
  4. Step 4: Simplify right side
    30,080.88x = 802,787,142.94
  5. Step 5: Solve for x
    x = 802,787,142.94/30,080.88
  6. Step 6: Final answer
    x = 26,687.62

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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.