Home / 43,946.74-65,923.79-12,781.94

Finding the Fourth Proportional to 43,946.74, 65,923.79 and 12,781.94

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Solution

The fourth proportional to 43,946.74, 65,923.79 and 12,781.94 is: 19,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,946.74 : 65,923.79 = 12,781.94 : x
  2. Step 2: Convert to fraction form
    43,946.74/65,923.79 = 12,781.94/x
  3. Step 3: Cross multiply
    43,946.74x = 65,923.79 × 12,781.94
  4. Step 4: Simplify right side
    43,946.74x = 842,633,928.35
  5. Step 5: Solve for x
    x = 842,633,928.35/43,946.74
  6. Step 6: Final answer
    x = 19,173.98

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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.