Home / 34,116.39-51,189.44-11,945.61

Finding the Fourth Proportional to 34,116.39, 51,189.44 and 11,945.61

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Solution

The fourth proportional to 34,116.39, 51,189.44 and 11,945.61 is: 17,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,116.39 : 51,189.44 = 11,945.61 : x
  2. Step 2: Convert to fraction form
    34,116.39/51,189.44 = 11,945.61/x
  3. Step 3: Cross multiply
    34,116.39x = 51,189.44 × 11,945.61
  4. Step 4: Simplify right side
    34,116.39x = 611,489,026.63
  5. Step 5: Solve for x
    x = 611,489,026.63/34,116.39
  6. Step 6: Final answer
    x = 17,923.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.