Home / 31,661.44-43,692.84-18,049.07

Finding the Fourth Proportional to 31,661.44, 43,692.84 and 18,049.07

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Solution

The fourth proportional to 31,661.44, 43,692.84 and 18,049.07 is: 24,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,661.44 : 43,692.84 = 18,049.07 : x
  2. Step 2: Convert to fraction form
    31,661.44/43,692.84 = 18,049.07/x
  3. Step 3: Cross multiply
    31,661.44x = 43,692.84 × 18,049.07
  4. Step 4: Simplify right side
    31,661.44x = 788,615,256.93
  5. Step 5: Solve for x
    x = 788,615,256.93/31,661.44
  6. Step 6: Final answer
    x = 24,907.75

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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.