Home / 31,104.24-42,923.76-16,957.80

Finding the Fourth Proportional to 31,104.24, 42,923.76 and 16,957.80

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Solution

The fourth proportional to 31,104.24, 42,923.76 and 16,957.80 is: 23,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.24 : 42,923.76 = 16,957.80 : x
  2. Step 2: Convert to fraction form
    31,104.24/42,923.76 = 16,957.80/x
  3. Step 3: Cross multiply
    31,104.24x = 42,923.76 × 16,957.80
  4. Step 4: Simplify right side
    31,104.24x = 727,892,537.33
  5. Step 5: Solve for x
    x = 727,892,537.33/31,104.24
  6. Step 6: Final answer
    x = 23,401.71

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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.