Home / 45,359.26-68,037-13,768.18

Finding the Fourth Proportional to 45,359.26, 68,037 and 13,768.18

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Solution

The fourth proportional to 45,359.26, 68,037 and 13,768.18 is: 20,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,359.26 : 68,037 = 13,768.18 : x
  2. Step 2: Convert to fraction form
    45,359.26/68,037 = 13,768.18/x
  3. Step 3: Cross multiply
    45,359.26x = 68,037 × 13,768.18
  4. Step 4: Simplify right side
    45,359.26x = 936,745,662.66
  5. Step 5: Solve for x
    x = 936,745,662.66/45,359.26
  6. Step 6: Final answer
    x = 20,651.70

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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.