Home / 38,924.20-58,400.70-12,629.80

Finding the Fourth Proportional to 38,924.20, 58,400.70 and 12,629.80

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Solution

The fourth proportional to 38,924.20, 58,400.70 and 12,629.80 is: 18,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924.20 : 58,400.70 = 12,629.80 : x
  2. Step 2: Convert to fraction form
    38,924.20/58,400.70 = 12,629.80/x
  3. Step 3: Cross multiply
    38,924.20x = 58,400.70 × 12,629.80
  4. Step 4: Simplify right side
    38,924.20x = 737,589,160.86
  5. Step 5: Solve for x
    x = 737,589,160.86/38,924.20
  6. Step 6: Final answer
    x = 18,949.37

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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.