Home / 35,912.40-49,561.24-19,996.40

Finding the Fourth Proportional to 35,912.40, 49,561.24 and 19,996.40

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Solution

The fourth proportional to 35,912.40, 49,561.24 and 19,996.40 is: 27,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.40 : 49,561.24 = 19,996.40 : x
  2. Step 2: Convert to fraction form
    35,912.40/49,561.24 = 19,996.40/x
  3. Step 3: Cross multiply
    35,912.40x = 49,561.24 × 19,996.40
  4. Step 4: Simplify right side
    35,912.40x = 991,046,379.54
  5. Step 5: Solve for x
    x = 991,046,379.54/35,912.40
  6. Step 6: Final answer
    x = 27,596.22

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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.