Home / 31,997.47-44,137.44-20,040.04

Finding the Fourth Proportional to 31,997.47, 44,137.44 and 20,040.04

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Solution

The fourth proportional to 31,997.47, 44,137.44 and 20,040.04 is: 27,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997.47 : 44,137.44 = 20,040.04 : x
  2. Step 2: Convert to fraction form
    31,997.47/44,137.44 = 20,040.04/x
  3. Step 3: Cross multiply
    31,997.47x = 44,137.44 × 20,040.04
  4. Step 4: Simplify right side
    31,997.47x = 884,516,063.10
  5. Step 5: Solve for x
    x = 884,516,063.10/31,997.47
  6. Step 6: Final answer
    x = 27,643.31

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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.