Home / 45,623.92-68,436.24-12,344.26

Finding the Fourth Proportional to 45,623.92, 68,436.24 and 12,344.26

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Solution

The fourth proportional to 45,623.92, 68,436.24 and 12,344.26 is: 18,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.92 : 68,436.24 = 12,344.26 : x
  2. Step 2: Convert to fraction form
    45,623.92/68,436.24 = 12,344.26/x
  3. Step 3: Cross multiply
    45,623.92x = 68,436.24 × 12,344.26
  4. Step 4: Simplify right side
    45,623.92x = 844,794,739.98
  5. Step 5: Solve for x
    x = 844,794,739.98/45,623.92
  6. Step 6: Final answer
    x = 18,516.49

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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.