Home / 35,899.70-49,542.75-19,768.73

Finding the Fourth Proportional to 35,899.70, 49,542.75 and 19,768.73

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Solution

The fourth proportional to 35,899.70, 49,542.75 and 19,768.73 is: 27,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,899.70 : 49,542.75 = 19,768.73 : x
  2. Step 2: Convert to fraction form
    35,899.70/49,542.75 = 19,768.73/x
  3. Step 3: Cross multiply
    35,899.70x = 49,542.75 × 19,768.73
  4. Step 4: Simplify right side
    35,899.70x = 979,397,000.49
  5. Step 5: Solve for x
    x = 979,397,000.49/35,899.70
  6. Step 6: Final answer
    x = 27,281.49

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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.