Home / 34,325.56-51,488.36-12,126.88

Finding the Fourth Proportional to 34,325.56, 51,488.36 and 12,126.88

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Solution

The fourth proportional to 34,325.56, 51,488.36 and 12,126.88 is: 18,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.56 : 51,488.36 = 12,126.88 : x
  2. Step 2: Convert to fraction form
    34,325.56/51,488.36 = 12,126.88/x
  3. Step 3: Cross multiply
    34,325.56x = 51,488.36 × 12,126.88
  4. Step 4: Simplify right side
    34,325.56x = 624,393,163.12
  5. Step 5: Solve for x
    x = 624,393,163.12/34,325.56
  6. Step 6: Final answer
    x = 18,190.33

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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.