Home / 30,379.75-41,924.21-16,951.77

Finding the Fourth Proportional to 30,379.75, 41,924.21 and 16,951.77

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Solution

The fourth proportional to 30,379.75, 41,924.21 and 16,951.77 is: 23,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.75 : 41,924.21 = 16,951.77 : x
  2. Step 2: Convert to fraction form
    30,379.75/41,924.21 = 16,951.77/x
  3. Step 3: Cross multiply
    30,379.75x = 41,924.21 × 16,951.77
  4. Step 4: Simplify right side
    30,379.75x = 710,689,480.59
  5. Step 5: Solve for x
    x = 710,689,480.59/30,379.75
  6. Step 6: Final answer
    x = 23,393.53

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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.