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Finding the Fourth Proportional to 57,494.58, 86,207.31 and 21,958.26

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Solution

The fourth proportional to 57,494.58, 86,207.31 and 21,958.26 is: 32,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494.58 : 86,207.31 = 21,958.26 : x
  2. Step 2: Convert to fraction form
    57,494.58/86,207.31 = 21,958.26/x
  3. Step 3: Cross multiply
    57,494.58x = 86,207.31 × 21,958.26
  4. Step 4: Simplify right side
    57,494.58x = 1,892,962,526.88
  5. Step 5: Solve for x
    x = 1,892,962,526.88/57,494.58
  6. Step 6: Final answer
    x = 32,924.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.