Home / 30,921.22-46,388.58-11,197.72

Finding the Fourth Proportional to 30,921.22, 46,388.58 and 11,197.72

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Solution

The fourth proportional to 30,921.22, 46,388.58 and 11,197.72 is: 16,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.22 : 46,388.58 = 11,197.72 : x
  2. Step 2: Convert to fraction form
    30,921.22/46,388.58 = 11,197.72/x
  3. Step 3: Cross multiply
    30,921.22x = 46,388.58 × 11,197.72
  4. Step 4: Simplify right side
    30,921.22x = 519,446,330.04
  5. Step 5: Solve for x
    x = 519,446,330.04/30,921.22
  6. Step 6: Final answer
    x = 16,799.02

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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.