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Finding the Fourth Proportional to 61,329.01, 84,636.43 and 34,471.44

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Solution

The fourth proportional to 61,329.01, 84,636.43 and 34,471.44 is: 47,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,329.01 : 84,636.43 = 34,471.44 : x
  2. Step 2: Convert to fraction form
    61,329.01/84,636.43 = 34,471.44/x
  3. Step 3: Cross multiply
    61,329.01x = 84,636.43 × 34,471.44
  4. Step 4: Simplify right side
    61,329.01x = 2,917,539,195.38
  5. Step 5: Solve for x
    x = 2,917,539,195.38/61,329.01
  6. Step 6: Final answer
    x = 47,571.93

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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.