Home / 31,911.60-44,039.12-19,166.80

Finding the Fourth Proportional to 31,911.60, 44,039.12 and 19,166.80

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Solution

The fourth proportional to 31,911.60, 44,039.12 and 19,166.80 is: 26,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.60 : 44,039.12 = 19,166.80 : x
  2. Step 2: Convert to fraction form
    31,911.60/44,039.12 = 19,166.80/x
  3. Step 3: Cross multiply
    31,911.60x = 44,039.12 × 19,166.80
  4. Step 4: Simplify right side
    31,911.60x = 844,089,005.22
  5. Step 5: Solve for x
    x = 844,089,005.22/31,911.60
  6. Step 6: Final answer
    x = 26,450.85

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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.