Home / 45,704.49-68,558.13-12,425.27

Finding the Fourth Proportional to 45,704.49, 68,558.13 and 12,425.27

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Solution

The fourth proportional to 45,704.49, 68,558.13 and 12,425.27 is: 18,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,704.49 : 68,558.13 = 12,425.27 : x
  2. Step 2: Convert to fraction form
    45,704.49/68,558.13 = 12,425.27/x
  3. Step 3: Cross multiply
    45,704.49x = 68,558.13 × 12,425.27
  4. Step 4: Simplify right side
    45,704.49x = 851,852,933.15
  5. Step 5: Solve for x
    x = 851,852,933.15/45,704.49
  6. Step 6: Final answer
    x = 18,638.28

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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.