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Finding the Fourth Proportional to 57,866.32, 79,829.04 and 33,992.56

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Solution

The fourth proportional to 57,866.32, 79,829.04 and 33,992.56 is: 46,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,866.32 : 79,829.04 = 33,992.56 : x
  2. Step 2: Convert to fraction form
    57,866.32/79,829.04 = 33,992.56/x
  3. Step 3: Cross multiply
    57,866.32x = 79,829.04 × 33,992.56
  4. Step 4: Simplify right side
    57,866.32x = 2,713,593,431.94
  5. Step 5: Solve for x
    x = 2,713,593,431.94/57,866.32
  6. Step 6: Final answer
    x = 46,894.18

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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.