Home / 30,229.30-41,709.99-18,290.26

Finding the Fourth Proportional to 30,229.30, 41,709.99 and 18,290.26

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Solution

The fourth proportional to 30,229.30, 41,709.99 and 18,290.26 is: 25,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.30 : 41,709.99 = 18,290.26 : x
  2. Step 2: Convert to fraction form
    30,229.30/41,709.99 = 18,290.26/x
  3. Step 3: Cross multiply
    30,229.30x = 41,709.99 × 18,290.26
  4. Step 4: Simplify right side
    30,229.30x = 762,886,561.70
  5. Step 5: Solve for x
    x = 762,886,561.70/30,229.30
  6. Step 6: Final answer
    x = 25,236.66

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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.