Home / 35,645.54-49,190.67-19,729.98

Finding the Fourth Proportional to 35,645.54, 49,190.67 and 19,729.98

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Solution

The fourth proportional to 35,645.54, 49,190.67 and 19,729.98 is: 27,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.54 : 49,190.67 = 19,729.98 : x
  2. Step 2: Convert to fraction form
    35,645.54/49,190.67 = 19,729.98/x
  3. Step 3: Cross multiply
    35,645.54x = 49,190.67 × 19,729.98
  4. Step 4: Simplify right side
    35,645.54x = 970,530,935.29
  5. Step 5: Solve for x
    x = 970,530,935.29/35,645.54
  6. Step 6: Final answer
    x = 27,227.28

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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.