Home / 30,379.20-41,923.41-16,951.02

Finding the Fourth Proportional to 30,379.20, 41,923.41 and 16,951.02

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Solution

The fourth proportional to 30,379.20, 41,923.41 and 16,951.02 is: 23,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.20 : 41,923.41 = 16,951.02 : x
  2. Step 2: Convert to fraction form
    30,379.20/41,923.41 = 16,951.02/x
  3. Step 3: Cross multiply
    30,379.20x = 41,923.41 × 16,951.02
  4. Step 4: Simplify right side
    30,379.20x = 710,644,267.01
  5. Step 5: Solve for x
    x = 710,644,267.01/30,379.20
  6. Step 6: Final answer
    x = 23,392.47

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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.