Home / 53,211.98-79,817.97-18,151.94

Finding the Fourth Proportional to 53,211.98, 79,817.97 and 18,151.94

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Solution

The fourth proportional to 53,211.98, 79,817.97 and 18,151.94 is: 27,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.98 : 79,817.97 = 18,151.94 : x
  2. Step 2: Convert to fraction form
    53,211.98/79,817.97 = 18,151.94/x
  3. Step 3: Cross multiply
    53,211.98x = 79,817.97 × 18,151.94
  4. Step 4: Simplify right side
    53,211.98x = 1,448,851,269.98
  5. Step 5: Solve for x
    x = 1,448,851,269.98/53,211.98
  6. Step 6: Final answer
    x = 27,227.91

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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.