Home / 45,451.10-68,171.87-12,174.53

Finding the Fourth Proportional to 45,451.10, 68,171.87 and 12,174.53

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Solution

The fourth proportional to 45,451.10, 68,171.87 and 12,174.53 is: 18,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.10 : 68,171.87 = 12,174.53 : x
  2. Step 2: Convert to fraction form
    45,451.10/68,171.87 = 12,174.53/x
  3. Step 3: Cross multiply
    45,451.10x = 68,171.87 × 12,174.53
  4. Step 4: Simplify right side
    45,451.10x = 829,960,272.18
  5. Step 5: Solve for x
    x = 829,960,272.18/45,451.10
  6. Step 6: Final answer
    x = 18,260.51

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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.