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Finding the Fourth Proportional to 35,795.61, 49,396.59 and 19,881.09

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Solution

The fourth proportional to 35,795.61, 49,396.59 and 19,881.09 is: 27,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,795.61 : 49,396.59 = 19,881.09 : x
  2. Step 2: Convert to fraction form
    35,795.61/49,396.59 = 19,881.09/x
  3. Step 3: Cross multiply
    35,795.61x = 49,396.59 × 19,881.09
  4. Step 4: Simplify right side
    35,795.61x = 982,058,051.48
  5. Step 5: Solve for x
    x = 982,058,051.48/35,795.61
  6. Step 6: Final answer
    x = 27,435.15

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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.