Home / 31,211.94-46,776.60-16,390.56

Finding the Fourth Proportional to 31,211.94, 46,776.60 and 16,390.56

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Solution

The fourth proportional to 31,211.94, 46,776.60 and 16,390.56 is: 24,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.94 : 46,776.60 = 16,390.56 : x
  2. Step 2: Convert to fraction form
    31,211.94/46,776.60 = 16,390.56/x
  3. Step 3: Cross multiply
    31,211.94x = 46,776.60 × 16,390.56
  4. Step 4: Simplify right side
    31,211.94x = 766,694,668.90
  5. Step 5: Solve for x
    x = 766,694,668.90/31,211.94
  6. Step 6: Final answer
    x = 24,564.15

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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.