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Finding the Fourth Proportional to 34,756.30, 47,963.94 and 18,841

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Solution

The fourth proportional to 34,756.30, 47,963.94 and 18,841 is: 26,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.30 : 47,963.94 = 18,841 : x
  2. Step 2: Convert to fraction form
    34,756.30/47,963.94 = 18,841/x
  3. Step 3: Cross multiply
    34,756.30x = 47,963.94 × 18,841
  4. Step 4: Simplify right side
    34,756.30x = 903,688,593.54
  5. Step 5: Solve for x
    x = 903,688,593.54/34,756.30
  6. Step 6: Final answer
    x = 26,000.71

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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.