Home / 51,761.03-71,428.56-29,100.98

Finding the Fourth Proportional to 51,761.03, 71,428.56 and 29,100.98

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Solution

The fourth proportional to 51,761.03, 71,428.56 and 29,100.98 is: 40,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.03 : 71,428.56 = 29,100.98 : x
  2. Step 2: Convert to fraction form
    51,761.03/71,428.56 = 29,100.98/x
  3. Step 3: Cross multiply
    51,761.03x = 71,428.56 × 29,100.98
  4. Step 4: Simplify right side
    51,761.03x = 2,078,640,738.85
  5. Step 5: Solve for x
    x = 2,078,640,738.85/51,761.03
  6. Step 6: Final answer
    x = 40,158.42

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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.