Home / 45,474.99-68,212.01-17,772.75

Finding the Fourth Proportional to 45,474.99, 68,212.01 and 17,772.75

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Solution

The fourth proportional to 45,474.99, 68,212.01 and 17,772.75 is: 26,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.99 : 68,212.01 = 17,772.75 : x
  2. Step 2: Convert to fraction form
    45,474.99/68,212.01 = 17,772.75/x
  3. Step 3: Cross multiply
    45,474.99x = 68,212.01 × 17,772.75
  4. Step 4: Simplify right side
    45,474.99x = 1,212,314,911.86
  5. Step 5: Solve for x
    x = 1,212,314,911.86/45,474.99
  6. Step 6: Final answer
    x = 26,658.94

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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.