Home / 34,321.53-51,487.44-12,135.09

Finding the Fourth Proportional to 34,321.53, 51,487.44 and 12,135.09

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Solution

The fourth proportional to 34,321.53, 51,487.44 and 12,135.09 is: 18,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.53 : 51,487.44 = 12,135.09 : x
  2. Step 2: Convert to fraction form
    34,321.53/51,487.44 = 12,135.09/x
  3. Step 3: Cross multiply
    34,321.53x = 51,487.44 × 12,135.09
  4. Step 4: Simplify right side
    34,321.53x = 624,804,718.27
  5. Step 5: Solve for x
    x = 624,804,718.27/34,321.53
  6. Step 6: Final answer
    x = 18,204.45

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1.5x scale

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.