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Finding the Fourth Proportional to 62,257.80, 85,916.48 and 33,963.96

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Solution

The fourth proportional to 62,257.80, 85,916.48 and 33,963.96 is: 46,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,257.80 : 85,916.48 = 33,963.96 : x
  2. Step 2: Convert to fraction form
    62,257.80/85,916.48 = 33,963.96/x
  3. Step 3: Cross multiply
    62,257.80x = 85,916.48 × 33,963.96
  4. Step 4: Simplify right side
    62,257.80x = 2,918,063,890.06
  5. Step 5: Solve for x
    x = 2,918,063,890.06/62,257.80
  6. Step 6: Final answer
    x = 46,870.66

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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.