Home / 38,573.21-57,863.92-12,271.80

Finding the Fourth Proportional to 38,573.21, 57,863.92 and 12,271.80

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Solution

The fourth proportional to 38,573.21, 57,863.92 and 12,271.80 is: 18,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.21 : 57,863.92 = 12,271.80 : x
  2. Step 2: Convert to fraction form
    38,573.21/57,863.92 = 12,271.80/x
  3. Step 3: Cross multiply
    38,573.21x = 57,863.92 × 12,271.80
  4. Step 4: Simplify right side
    38,573.21x = 710,094,662.78
  5. Step 5: Solve for x
    x = 710,094,662.78/38,573.21
  6. Step 6: Final answer
    x = 18,409.01

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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.