Home / 36,019.96-49,710.33-19,890.38

Finding the Fourth Proportional to 36,019.96, 49,710.33 and 19,890.38

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Solution

The fourth proportional to 36,019.96, 49,710.33 and 19,890.38 is: 27,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.96 : 49,710.33 = 19,890.38 : x
  2. Step 2: Convert to fraction form
    36,019.96/49,710.33 = 19,890.38/x
  3. Step 3: Cross multiply
    36,019.96x = 49,710.33 × 19,890.38
  4. Step 4: Simplify right side
    36,019.96x = 988,757,477.90
  5. Step 5: Solve for x
    x = 988,757,477.90/36,019.96
  6. Step 6: Final answer
    x = 27,450.27

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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.