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Finding the Fourth Proportional to 63,674.75, 95,523.65 and 20,982.45

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Solution

The fourth proportional to 63,674.75, 95,523.65 and 20,982.45 is: 31,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.75 : 95,523.65 = 20,982.45 : x
  2. Step 2: Convert to fraction form
    63,674.75/95,523.65 = 20,982.45/x
  3. Step 3: Cross multiply
    63,674.75x = 95,523.65 × 20,982.45
  4. Step 4: Simplify right side
    63,674.75x = 2,004,320,105.03
  5. Step 5: Solve for x
    x = 2,004,320,105.03/63,674.75
  6. Step 6: Final answer
    x = 31,477.47

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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.