Home / 45,738.70-68,601.09-12,461.38

Finding the Fourth Proportional to 45,738.70, 68,601.09 and 12,461.38

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Solution

The fourth proportional to 45,738.70, 68,601.09 and 12,461.38 is: 18,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.70 : 68,601.09 = 12,461.38 : x
  2. Step 2: Convert to fraction form
    45,738.70/68,601.09 = 12,461.38/x
  3. Step 3: Cross multiply
    45,738.70x = 68,601.09 × 12,461.38
  4. Step 4: Simplify right side
    45,738.70x = 854,864,250.90
  5. Step 5: Solve for x
    x = 854,864,250.90/45,738.70
  6. Step 6: Final answer
    x = 18,690.17

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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.