Home / 30,128.27-41,579.49-16,703.73

Finding the Fourth Proportional to 30,128.27, 41,579.49 and 16,703.73

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Solution

The fourth proportional to 30,128.27, 41,579.49 and 16,703.73 is: 23,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.27 : 41,579.49 = 16,703.73 : x
  2. Step 2: Convert to fraction form
    30,128.27/41,579.49 = 16,703.73/x
  3. Step 3: Cross multiply
    30,128.27x = 41,579.49 × 16,703.73
  4. Step 4: Simplify right side
    30,128.27x = 694,532,637.14
  5. Step 5: Solve for x
    x = 694,532,637.14/30,128.27
  6. Step 6: Final answer
    x = 23,052.53

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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.