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Finding the Fourth Proportional to 61,942.56, 92,901.84 and 17,558.64

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Solution

The fourth proportional to 61,942.56, 92,901.84 and 17,558.64 is: 26,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.56 : 92,901.84 = 17,558.64 : x
  2. Step 2: Convert to fraction form
    61,942.56/92,901.84 = 17,558.64/x
  3. Step 3: Cross multiply
    61,942.56x = 92,901.84 × 17,558.64
  4. Step 4: Simplify right side
    61,942.56x = 1,631,229,963.90
  5. Step 5: Solve for x
    x = 1,631,229,963.90/61,942.56
  6. Step 6: Final answer
    x = 26,334.56

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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.