Home / 47,418.78-71,131.80-14,136.24

Finding the Fourth Proportional to 47,418.78, 71,131.80 and 14,136.24

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Solution

The fourth proportional to 47,418.78, 71,131.80 and 14,136.24 is: 21,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.78 : 71,131.80 = 14,136.24 : x
  2. Step 2: Convert to fraction form
    47,418.78/71,131.80 = 14,136.24/x
  3. Step 3: Cross multiply
    47,418.78x = 71,131.80 × 14,136.24
  4. Step 4: Simplify right side
    47,418.78x = 1,005,536,196.43
  5. Step 5: Solve for x
    x = 1,005,536,196.43/47,418.78
  6. Step 6: Final answer
    x = 21,205.44

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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.