Home / 31,936.36-44,072.47-20,006.68

Finding the Fourth Proportional to 31,936.36, 44,072.47 and 20,006.68

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Solution

The fourth proportional to 31,936.36, 44,072.47 and 20,006.68 is: 27,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.36 : 44,072.47 = 20,006.68 : x
  2. Step 2: Convert to fraction form
    31,936.36/44,072.47 = 20,006.68/x
  3. Step 3: Cross multiply
    31,936.36x = 44,072.47 × 20,006.68
  4. Step 4: Simplify right side
    31,936.36x = 881,743,804.10
  5. Step 5: Solve for x
    x = 881,743,804.10/31,936.36
  6. Step 6: Final answer
    x = 27,609.40

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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.