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Finding the Fourth Proportional to 61,843.25, 85,343.73 and 33,549.05

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Solution

The fourth proportional to 61,843.25, 85,343.73 and 33,549.05 is: 46,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.25 : 85,343.73 = 33,549.05 : x
  2. Step 2: Convert to fraction form
    61,843.25/85,343.73 = 33,549.05/x
  3. Step 3: Cross multiply
    61,843.25x = 85,343.73 × 33,549.05
  4. Step 4: Simplify right side
    61,843.25x = 2,863,201,064.96
  5. Step 5: Solve for x
    x = 2,863,201,064.96/61,843.25
  6. Step 6: Final answer
    x = 46,297.71

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1.5x scale

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.