Home / 34,813.80-52,208.28-12,621.42

Finding the Fourth Proportional to 34,813.80, 52,208.28 and 12,621.42

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Solution

The fourth proportional to 34,813.80, 52,208.28 and 12,621.42 is: 18,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,813.80 : 52,208.28 = 12,621.42 : x
  2. Step 2: Convert to fraction form
    34,813.80/52,208.28 = 12,621.42/x
  3. Step 3: Cross multiply
    34,813.80x = 52,208.28 × 12,621.42
  4. Step 4: Simplify right side
    34,813.80x = 658,942,629.36
  5. Step 5: Solve for x
    x = 658,942,629.36/34,813.80
  6. Step 6: Final answer
    x = 18,927.63

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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.