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Finding the Fourth Proportional to 63,161.44, 94,722.42 and 21,031.68

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Solution

The fourth proportional to 63,161.44, 94,722.42 and 21,031.68 is: 31,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,161.44 : 94,722.42 = 21,031.68 : x
  2. Step 2: Convert to fraction form
    63,161.44/94,722.42 = 21,031.68/x
  3. Step 3: Cross multiply
    63,161.44x = 94,722.42 × 21,031.68
  4. Step 4: Simplify right side
    63,161.44x = 1,992,171,626.27
  5. Step 5: Solve for x
    x = 1,992,171,626.27/63,161.44
  6. Step 6: Final answer
    x = 31,540.95

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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.