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Finding the Fourth Proportional to 61,797.54, 85,280.75 and 33,503.23

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Solution

The fourth proportional to 61,797.54, 85,280.75 and 33,503.23 is: 46,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,797.54 : 85,280.75 = 33,503.23 : x
  2. Step 2: Convert to fraction form
    61,797.54/85,280.75 = 33,503.23/x
  3. Step 3: Cross multiply
    61,797.54x = 85,280.75 × 33,503.23
  4. Step 4: Simplify right side
    61,797.54x = 2,857,180,581.82
  5. Step 5: Solve for x
    x = 2,857,180,581.82/61,797.54
  6. Step 6: Final answer
    x = 46,234.54

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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.