Home / 34,781.97-52,126.81-18,946.38

Finding the Fourth Proportional to 34,781.97, 52,126.81 and 18,946.38

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Solution

The fourth proportional to 34,781.97, 52,126.81 and 18,946.38 is: 28,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.97 : 52,126.81 = 18,946.38 : x
  2. Step 2: Convert to fraction form
    34,781.97/52,126.81 = 18,946.38/x
  3. Step 3: Cross multiply
    34,781.97x = 52,126.81 × 18,946.38
  4. Step 4: Simplify right side
    34,781.97x = 987,614,350.45
  5. Step 5: Solve for x
    x = 987,614,350.45/34,781.97
  6. Step 6: Final answer
    x = 28,394.43

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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.