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Finding the Fourth Proportional to 34,798.72, 52,172.16 and 20,944.48

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Solution

The fourth proportional to 34,798.72, 52,172.16 and 20,944.48 is: 31,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,798.72 : 52,172.16 = 20,944.48 : x
  2. Step 2: Convert to fraction form
    34,798.72/52,172.16 = 20,944.48/x
  3. Step 3: Cross multiply
    34,798.72x = 52,172.16 × 20,944.48
  4. Step 4: Simplify right side
    34,798.72x = 1,092,718,761.68
  5. Step 5: Solve for x
    x = 1,092,718,761.68/34,798.72
  6. Step 6: Final answer
    x = 31,401.12

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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.