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Finding the Fourth Proportional to 57,894.54, 86,796.45 and 22,860.42

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Solution

The fourth proportional to 57,894.54, 86,796.45 and 22,860.42 is: 34,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,894.54 : 86,796.45 = 22,860.42 : x
  2. Step 2: Convert to fraction form
    57,894.54/86,796.45 = 22,860.42/x
  3. Step 3: Cross multiply
    57,894.54x = 86,796.45 × 22,860.42
  4. Step 4: Simplify right side
    57,894.54x = 1,984,203,301.51
  5. Step 5: Solve for x
    x = 1,984,203,301.51/57,894.54
  6. Step 6: Final answer
    x = 34,272.72

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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.