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Finding the Fourth Proportional to 34,790, 48,010.44 and 19,886

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Solution

The fourth proportional to 34,790, 48,010.44 and 19,886 is: 27,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,790 : 48,010.44 = 19,886 : x
  2. Step 2: Convert to fraction form
    34,790/48,010.44 = 19,886/x
  3. Step 3: Cross multiply
    34,790x = 48,010.44 × 19,886
  4. Step 4: Simplify right side
    34,790x = 954,735,609.84
  5. Step 5: Solve for x
    x = 954,735,609.84/34,790
  6. Step 6: Final answer
    x = 27,442.82

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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.