Home / 35,605.85-49,136.36-19,691.37

Finding the Fourth Proportional to 35,605.85, 49,136.36 and 19,691.37

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Solution

The fourth proportional to 35,605.85, 49,136.36 and 19,691.37 is: 27,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.85 : 49,136.36 = 19,691.37 : x
  2. Step 2: Convert to fraction form
    35,605.85/49,136.36 = 19,691.37/x
  3. Step 3: Cross multiply
    35,605.85x = 49,136.36 × 19,691.37
  4. Step 4: Simplify right side
    35,605.85x = 967,562,146.76
  5. Step 5: Solve for x
    x = 967,562,146.76/35,605.85
  6. Step 6: Final answer
    x = 27,174.25

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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.