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Finding the Fourth Proportional to 34,855.67, 48,109.58 and 19,757.34

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Solution

The fourth proportional to 34,855.67, 48,109.58 and 19,757.34 is: 27,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.67 : 48,109.58 = 19,757.34 : x
  2. Step 2: Convert to fraction form
    34,855.67/48,109.58 = 19,757.34/x
  3. Step 3: Cross multiply
    34,855.67x = 48,109.58 × 19,757.34
  4. Step 4: Simplify right side
    34,855.67x = 950,517,230.53
  5. Step 5: Solve for x
    x = 950,517,230.53/34,855.67
  6. Step 6: Final answer
    x = 27,270.09

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1.5x scale

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.