Home / 45,896.14-68,831-12,617.30

Finding the Fourth Proportional to 45,896.14, 68,831 and 12,617.30

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Solution

The fourth proportional to 45,896.14, 68,831 and 12,617.30 is: 18,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,896.14 : 68,831 = 12,617.30 : x
  2. Step 2: Convert to fraction form
    45,896.14/68,831 = 12,617.30/x
  3. Step 3: Cross multiply
    45,896.14x = 68,831 × 12,617.30
  4. Step 4: Simplify right side
    45,896.14x = 868,461,376.30
  5. Step 5: Solve for x
    x = 868,461,376.30/45,896.14
  6. Step 6: Final answer
    x = 18,922.32

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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.