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Finding the Fourth Proportional to 61,863.62, 85,372.01 and 33,569.30

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Solution

The fourth proportional to 61,863.62, 85,372.01 and 33,569.30 is: 46,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.62 : 85,372.01 = 33,569.30 : x
  2. Step 2: Convert to fraction form
    61,863.62/85,372.01 = 33,569.30/x
  3. Step 3: Cross multiply
    61,863.62x = 85,372.01 × 33,569.30
  4. Step 4: Simplify right side
    61,863.62x = 2,865,878,786.76
  5. Step 5: Solve for x
    x = 2,865,878,786.76/61,863.62
  6. Step 6: Final answer
    x = 46,325.76

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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.