Home / 34,734.20-47,932.88-18,818.60

Finding the Fourth Proportional to 34,734.20, 47,932.88 and 18,818.60

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Solution

The fourth proportional to 34,734.20, 47,932.88 and 18,818.60 is: 25,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.20 : 47,932.88 = 18,818.60 : x
  2. Step 2: Convert to fraction form
    34,734.20/47,932.88 = 18,818.60/x
  3. Step 3: Cross multiply
    34,734.20x = 47,932.88 × 18,818.60
  4. Step 4: Simplify right side
    34,734.20x = 902,029,361.81
  5. Step 5: Solve for x
    x = 902,029,361.81/34,734.20
  6. Step 6: Final answer
    x = 25,969.49

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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.