Home / 40,629.06-60,944.93-13,974.78

Finding the Fourth Proportional to 40,629.06, 60,944.93 and 13,974.78

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Solution

The fourth proportional to 40,629.06, 60,944.93 and 13,974.78 is: 20,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,629.06 : 60,944.93 = 13,974.78 : x
  2. Step 2: Convert to fraction form
    40,629.06/60,944.93 = 13,974.78/x
  3. Step 3: Cross multiply
    40,629.06x = 60,944.93 × 13,974.78
  4. Step 4: Simplify right side
    40,629.06x = 851,691,918.99
  5. Step 5: Solve for x
    x = 851,691,918.99/40,629.06
  6. Step 6: Final answer
    x = 20,962.63

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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.