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Finding the Fourth Proportional to 34,755.75, 51,686.51 and 33,648.57

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Solution

The fourth proportional to 34,755.75, 51,686.51 and 33,648.57 is: 50,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.75 : 51,686.51 = 33,648.57 : x
  2. Step 2: Convert to fraction form
    34,755.75/51,686.51 = 33,648.57/x
  3. Step 3: Cross multiply
    34,755.75x = 51,686.51 × 33,648.57
  4. Step 4: Simplify right side
    34,755.75x = 1,739,176,981.55
  5. Step 5: Solve for x
    x = 1,739,176,981.55/34,755.75
  6. Step 6: Final answer
    x = 50,039.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.