Home / 33,177.69-49,766.54-19,128.78

Finding the Fourth Proportional to 33,177.69, 49,766.54 and 19,128.78

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Solution

The fourth proportional to 33,177.69, 49,766.54 and 19,128.78 is: 28,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.69 : 49,766.54 = 19,128.78 : x
  2. Step 2: Convert to fraction form
    33,177.69/49,766.54 = 19,128.78/x
  3. Step 3: Cross multiply
    33,177.69x = 49,766.54 × 19,128.78
  4. Step 4: Simplify right side
    33,177.69x = 951,973,099.38
  5. Step 5: Solve for x
    x = 951,973,099.38/33,177.69
  6. Step 6: Final answer
    x = 28,693.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.