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Finding the Fourth Proportional to 59,361.36, 81,918.82 and 32,505.64

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Solution

The fourth proportional to 59,361.36, 81,918.82 and 32,505.64 is: 44,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,361.36 : 81,918.82 = 32,505.64 : x
  2. Step 2: Convert to fraction form
    59,361.36/81,918.82 = 32,505.64/x
  3. Step 3: Cross multiply
    59,361.36x = 81,918.82 × 32,505.64
  4. Step 4: Simplify right side
    59,361.36x = 2,662,823,672.14
  5. Step 5: Solve for x
    x = 2,662,823,672.14/59,361.36
  6. Step 6: Final answer
    x = 44,857.86

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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.