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Finding the Fourth Proportional to 57,670.78, 86,554.78 and 22,635.04

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Solution

The fourth proportional to 57,670.78, 86,554.78 and 22,635.04 is: 33,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.78 : 86,554.78 = 22,635.04 : x
  2. Step 2: Convert to fraction form
    57,670.78/86,554.78 = 22,635.04/x
  3. Step 3: Cross multiply
    57,670.78x = 86,554.78 × 22,635.04
  4. Step 4: Simplify right side
    57,670.78x = 1,959,170,907.49
  5. Step 5: Solve for x
    x = 1,959,170,907.49/57,670.78
  6. Step 6: Final answer
    x = 33,971.64

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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.