Home / 35,661.36-49,212.68-19,745.81

Finding the Fourth Proportional to 35,661.36, 49,212.68 and 19,745.81

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Solution

The fourth proportional to 35,661.36, 49,212.68 and 19,745.81 is: 27,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.36 : 49,212.68 = 19,745.81 : x
  2. Step 2: Convert to fraction form
    35,661.36/49,212.68 = 19,745.81/x
  3. Step 3: Cross multiply
    35,661.36x = 49,212.68 × 19,745.81
  4. Step 4: Simplify right side
    35,661.36x = 971,744,228.87
  5. Step 5: Solve for x
    x = 971,744,228.87/35,661.36
  6. Step 6: Final answer
    x = 27,249.22

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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.