Home / 35,986.74-49,661.94-20,072.22

Finding the Fourth Proportional to 35,986.74, 49,661.94 and 20,072.22

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Solution

The fourth proportional to 35,986.74, 49,661.94 and 20,072.22 is: 27,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.74 : 49,661.94 = 20,072.22 : x
  2. Step 2: Convert to fraction form
    35,986.74/49,661.94 = 20,072.22/x
  3. Step 3: Cross multiply
    35,986.74x = 49,661.94 × 20,072.22
  4. Step 4: Simplify right side
    35,986.74x = 996,825,385.31
  5. Step 5: Solve for x
    x = 996,825,385.31/35,986.74
  6. Step 6: Final answer
    x = 27,699.80

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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.