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Finding the Fourth Proportional to 48,866.72, 67,394.40 and 37,563.60

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Solution

The fourth proportional to 48,866.72, 67,394.40 and 37,563.60 is: 51,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.72 : 67,394.40 = 37,563.60 : x
  2. Step 2: Convert to fraction form
    48,866.72/67,394.40 = 37,563.60/x
  3. Step 3: Cross multiply
    48,866.72x = 67,394.40 × 37,563.60
  4. Step 4: Simplify right side
    48,866.72x = 2,531,576,283.84
  5. Step 5: Solve for x
    x = 2,531,576,283.84/48,866.72
  6. Step 6: Final answer
    x = 51,805.73

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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.