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Finding the Fourth Proportional to 34,692, 47,874.87 and 18,776.45

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Solution

The fourth proportional to 34,692, 47,874.87 and 18,776.45 is: 25,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692 : 47,874.87 = 18,776.45 : x
  2. Step 2: Convert to fraction form
    34,692/47,874.87 = 18,776.45/x
  3. Step 3: Cross multiply
    34,692x = 47,874.87 × 18,776.45
  4. Step 4: Simplify right side
    34,692x = 898,919,863.44
  5. Step 5: Solve for x
    x = 898,919,863.44/34,692
  6. Step 6: Final answer
    x = 25,911.45

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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.