Home / 43,946.24-65,923.04-12,781.44

Finding the Fourth Proportional to 43,946.24, 65,923.04 and 12,781.44

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Solution

The fourth proportional to 43,946.24, 65,923.04 and 12,781.44 is: 19,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,946.24 : 65,923.04 = 12,781.44 : x
  2. Step 2: Convert to fraction form
    43,946.24/65,923.04 = 12,781.44/x
  3. Step 3: Cross multiply
    43,946.24x = 65,923.04 × 12,781.44
  4. Step 4: Simplify right side
    43,946.24x = 842,591,380.38
  5. Step 5: Solve for x
    x = 842,591,380.38/43,946.24
  6. Step 6: Final answer
    x = 19,173.23

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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.