Home / 31,912.60-44,039.36-17,768.78

Finding the Fourth Proportional to 31,912.60, 44,039.36 and 17,768.78

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Solution

The fourth proportional to 31,912.60, 44,039.36 and 17,768.78 is: 24,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.60 : 44,039.36 = 17,768.78 : x
  2. Step 2: Convert to fraction form
    31,912.60/44,039.36 = 17,768.78/x
  3. Step 3: Cross multiply
    31,912.60x = 44,039.36 × 17,768.78
  4. Step 4: Simplify right side
    31,912.60x = 782,525,699.18
  5. Step 5: Solve for x
    x = 782,525,699.18/31,912.60
  6. Step 6: Final answer
    x = 24,520.90

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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.