Home / 31,234.86-43,104.33-16,894.70

Finding the Fourth Proportional to 31,234.86, 43,104.33 and 16,894.70

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Solution

The fourth proportional to 31,234.86, 43,104.33 and 16,894.70 is: 23,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.86 : 43,104.33 = 16,894.70 : x
  2. Step 2: Convert to fraction form
    31,234.86/43,104.33 = 16,894.70/x
  3. Step 3: Cross multiply
    31,234.86x = 43,104.33 × 16,894.70
  4. Step 4: Simplify right side
    31,234.86x = 728,234,508.53
  5. Step 5: Solve for x
    x = 728,234,508.53/31,234.86
  6. Step 6: Final answer
    x = 23,314.80

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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.