Home / 30,064.59-41,489.55-18,738.66

Finding the Fourth Proportional to 30,064.59, 41,489.55 and 18,738.66

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Solution

The fourth proportional to 30,064.59, 41,489.55 and 18,738.66 is: 25,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.59 : 41,489.55 = 18,738.66 : x
  2. Step 2: Convert to fraction form
    30,064.59/41,489.55 = 18,738.66/x
  3. Step 3: Cross multiply
    30,064.59x = 41,489.55 × 18,738.66
  4. Step 4: Simplify right side
    30,064.59x = 777,458,571.00
  5. Step 5: Solve for x
    x = 777,458,571.00/30,064.59
  6. Step 6: Final answer
    x = 25,859.61

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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.