Home / 38,922.45-58,383.71-12,629.24

Finding the Fourth Proportional to 38,922.45, 58,383.71 and 12,629.24

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Solution

The fourth proportional to 38,922.45, 58,383.71 and 12,629.24 is: 18,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.45 : 58,383.71 = 12,629.24 : x
  2. Step 2: Convert to fraction form
    38,922.45/58,383.71 = 12,629.24/x
  3. Step 3: Cross multiply
    38,922.45x = 58,383.71 × 12,629.24
  4. Step 4: Simplify right side
    38,922.45x = 737,341,885.68
  5. Step 5: Solve for x
    x = 737,341,885.68/38,922.45
  6. Step 6: Final answer
    x = 18,943.87

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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.