Home / 31,635.96-47,540.16-16,855.44

Finding the Fourth Proportional to 31,635.96, 47,540.16 and 16,855.44

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Solution

The fourth proportional to 31,635.96, 47,540.16 and 16,855.44 is: 25,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,635.96 : 47,540.16 = 16,855.44 : x
  2. Step 2: Convert to fraction form
    31,635.96/47,540.16 = 16,855.44/x
  3. Step 3: Cross multiply
    31,635.96x = 47,540.16 × 16,855.44
  4. Step 4: Simplify right side
    31,635.96x = 801,310,314.47
  5. Step 5: Solve for x
    x = 801,310,314.47/31,635.96
  6. Step 6: Final answer
    x = 25,329.10

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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.