Home / 30,282.48-41,790.20-16,853.90

Finding the Fourth Proportional to 30,282.48, 41,790.20 and 16,853.90

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Solution

The fourth proportional to 30,282.48, 41,790.20 and 16,853.90 is: 23,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.48 : 41,790.20 = 16,853.90 : x
  2. Step 2: Convert to fraction form
    30,282.48/41,790.20 = 16,853.90/x
  3. Step 3: Cross multiply
    30,282.48x = 41,790.20 × 16,853.90
  4. Step 4: Simplify right side
    30,282.48x = 704,327,558.56
  5. Step 5: Solve for x
    x = 704,327,558.56/30,282.48
  6. Step 6: Final answer
    x = 23,258.58

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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.