Home / 29,811.20-41,140.16-16,383.72

Finding the Fourth Proportional to 29,811.20, 41,140.16 and 16,383.72

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Solution

The fourth proportional to 29,811.20, 41,140.16 and 16,383.72 is: 22,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.20 : 41,140.16 = 16,383.72 : x
  2. Step 2: Convert to fraction form
    29,811.20/41,140.16 = 16,383.72/x
  3. Step 3: Cross multiply
    29,811.20x = 41,140.16 × 16,383.72
  4. Step 4: Simplify right side
    29,811.20x = 674,028,862.20
  5. Step 5: Solve for x
    x = 674,028,862.20/29,811.20
  6. Step 6: Final answer
    x = 22,609.92

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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.