Home / 68,313.53-102,462.60-18,397.28

Finding the Fourth Proportional to 68,313.53, 102,462.60 and 18,397.28

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Solution

The fourth proportional to 68,313.53, 102,462.60 and 18,397.28 is: 27,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.53 : 102,462.60 = 18,397.28 : x
  2. Step 2: Convert to fraction form
    68,313.53/102,462.60 = 18,397.28/x
  3. Step 3: Cross multiply
    68,313.53x = 102,462.60 × 18,397.28
  4. Step 4: Simplify right side
    68,313.53x = 1,885,033,466.87
  5. Step 5: Solve for x
    x = 1,885,033,466.87/68,313.53
  6. Step 6: Final answer
    x = 27,593.85

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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.