Home / 35,745.49-49,327.14-19,829.80

Finding the Fourth Proportional to 35,745.49, 49,327.14 and 19,829.80

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Solution

The fourth proportional to 35,745.49, 49,327.14 and 19,829.80 is: 27,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.49 : 49,327.14 = 19,829.80 : x
  2. Step 2: Convert to fraction form
    35,745.49/49,327.14 = 19,829.80/x
  3. Step 3: Cross multiply
    35,745.49x = 49,327.14 × 19,829.80
  4. Step 4: Simplify right side
    35,745.49x = 978,147,320.77
  5. Step 5: Solve for x
    x = 978,147,320.77/35,745.49
  6. Step 6: Final answer
    x = 27,364.22

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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.