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Finding the Fourth Proportional to 35,174.68, 48,540.90 and 19,042

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Solution

The fourth proportional to 35,174.68, 48,540.90 and 19,042 is: 26,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,174.68 : 48,540.90 = 19,042 : x
  2. Step 2: Convert to fraction form
    35,174.68/48,540.90 = 19,042/x
  3. Step 3: Cross multiply
    35,174.68x = 48,540.90 × 19,042
  4. Step 4: Simplify right side
    35,174.68x = 924,315,817.80
  5. Step 5: Solve for x
    x = 924,315,817.80/35,174.68
  6. Step 6: Final answer
    x = 26,277.87

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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.