Home / 38,704.77-58,067.15-12,409.74

Finding the Fourth Proportional to 38,704.77, 58,067.15 and 12,409.74

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Solution

The fourth proportional to 38,704.77, 58,067.15 and 12,409.74 is: 18,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,704.77 : 58,067.15 = 12,409.74 : x
  2. Step 2: Convert to fraction form
    38,704.77/58,067.15 = 12,409.74/x
  3. Step 3: Cross multiply
    38,704.77x = 58,067.15 × 12,409.74
  4. Step 4: Simplify right side
    38,704.77x = 720,598,171.99
  5. Step 5: Solve for x
    x = 720,598,171.99/38,704.77
  6. Step 6: Final answer
    x = 18,617.81

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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.