Home / 35,660.90-49,212.75-19,745.91

Finding the Fourth Proportional to 35,660.90, 49,212.75 and 19,745.91

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Solution

The fourth proportional to 35,660.90, 49,212.75 and 19,745.91 is: 27,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,660.90 : 49,212.75 = 19,745.91 : x
  2. Step 2: Convert to fraction form
    35,660.90/49,212.75 = 19,745.91/x
  3. Step 3: Cross multiply
    35,660.90x = 49,212.75 × 19,745.91
  4. Step 4: Simplify right side
    35,660.90x = 971,750,532.35
  5. Step 5: Solve for x
    x = 971,750,532.35/35,660.90
  6. Step 6: Final answer
    x = 27,249.75

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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.