Home / 38,623.26-57,922.58-12,321.92

Finding the Fourth Proportional to 38,623.26, 57,922.58 and 12,321.92

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Solution

The fourth proportional to 38,623.26, 57,922.58 and 12,321.92 is: 18,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,623.26 : 57,922.58 = 12,321.92 : x
  2. Step 2: Convert to fraction form
    38,623.26/57,922.58 = 12,321.92/x
  3. Step 3: Cross multiply
    38,623.26x = 57,922.58 × 12,321.92
  4. Step 4: Simplify right side
    38,623.26x = 713,717,396.95
  5. Step 5: Solve for x
    x = 713,717,396.95/38,623.26
  6. Step 6: Final answer
    x = 18,478.95

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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.