Home / 29,800.56-41,128.92-19,881.84

Finding the Fourth Proportional to 29,800.56, 41,128.92 and 19,881.84

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Solution

The fourth proportional to 29,800.56, 41,128.92 and 19,881.84 is: 27,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,800.56 : 41,128.92 = 19,881.84 : x
  2. Step 2: Convert to fraction form
    29,800.56/41,128.92 = 19,881.84/x
  3. Step 3: Cross multiply
    29,800.56x = 41,128.92 × 19,881.84
  4. Step 4: Simplify right side
    29,800.56x = 817,718,606.81
  5. Step 5: Solve for x
    x = 817,718,606.81/29,800.56
  6. Step 6: Final answer
    x = 27,439.71

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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.