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Finding the Fourth Proportional to 61,955.22, 92,936.34 and 17,578.49

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Solution

The fourth proportional to 61,955.22, 92,936.34 and 17,578.49 is: 26,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,955.22 : 92,936.34 = 17,578.49 : x
  2. Step 2: Convert to fraction form
    61,955.22/92,936.34 = 17,578.49/x
  3. Step 3: Cross multiply
    61,955.22x = 92,936.34 × 17,578.49
  4. Step 4: Simplify right side
    61,955.22x = 1,633,680,058.64
  5. Step 5: Solve for x
    x = 1,633,680,058.64/61,955.22
  6. Step 6: Final answer
    x = 26,368.72

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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.