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Finding the Fourth Proportional to 41,136.77, 61,712.73 and 13,063.98

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Solution

The fourth proportional to 41,136.77, 61,712.73 and 13,063.98 is: 19,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,136.77 : 61,712.73 = 13,063.98 : x
  2. Step 2: Convert to fraction form
    41,136.77/61,712.73 = 13,063.98/x
  3. Step 3: Cross multiply
    41,136.77x = 61,712.73 × 13,063.98
  4. Step 4: Simplify right side
    41,136.77x = 806,213,870.47
  5. Step 5: Solve for x
    x = 806,213,870.47/41,136.77
  6. Step 6: Final answer
    x = 19,598.38

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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.