Home / 30,073.22-41,481.68-20,646.98

Finding the Fourth Proportional to 30,073.22, 41,481.68 and 20,646.98

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Solution

The fourth proportional to 30,073.22, 41,481.68 and 20,646.98 is: 28,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.22 : 41,481.68 = 20,646.98 : x
  2. Step 2: Convert to fraction form
    30,073.22/41,481.68 = 20,646.98/x
  3. Step 3: Cross multiply
    30,073.22x = 41,481.68 × 20,646.98
  4. Step 4: Simplify right side
    30,073.22x = 856,471,417.33
  5. Step 5: Solve for x
    x = 856,471,417.33/30,073.22
  6. Step 6: Final answer
    x = 28,479.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.