Home / 31,777.44-47,664.12-13,052.64

Finding the Fourth Proportional to 31,777.44, 47,664.12 and 13,052.64

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Solution

The fourth proportional to 31,777.44, 47,664.12 and 13,052.64 is: 19,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.44 : 47,664.12 = 13,052.64 : x
  2. Step 2: Convert to fraction form
    31,777.44/47,664.12 = 13,052.64/x
  3. Step 3: Cross multiply
    31,777.44x = 47,664.12 × 13,052.64
  4. Step 4: Simplify right side
    31,777.44x = 622,142,599.28
  5. Step 5: Solve for x
    x = 622,142,599.28/31,777.44
  6. Step 6: Final answer
    x = 19,578.12

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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.