Home / 34,118.80-51,143-18,503.44

Finding the Fourth Proportional to 34,118.80, 51,143 and 18,503.44

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Solution

The fourth proportional to 34,118.80, 51,143 and 18,503.44 is: 27,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.80 : 51,143 = 18,503.44 : x
  2. Step 2: Convert to fraction form
    34,118.80/51,143 = 18,503.44/x
  3. Step 3: Cross multiply
    34,118.80x = 51,143 × 18,503.44
  4. Step 4: Simplify right side
    34,118.80x = 946,321,431.92
  5. Step 5: Solve for x
    x = 946,321,431.92/34,118.80
  6. Step 6: Final answer
    x = 27,736.07

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1.5x scale

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.