Home / 45,223.18-67,838.01-11,942.91

Finding the Fourth Proportional to 45,223.18, 67,838.01 and 11,942.91

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Solution

The fourth proportional to 45,223.18, 67,838.01 and 11,942.91 is: 17,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,223.18 : 67,838.01 = 11,942.91 : x
  2. Step 2: Convert to fraction form
    45,223.18/67,838.01 = 11,942.91/x
  3. Step 3: Cross multiply
    45,223.18x = 67,838.01 × 11,942.91
  4. Step 4: Simplify right side
    45,223.18x = 810,183,203.22
  5. Step 5: Solve for x
    x = 810,183,203.22/45,223.18
  6. Step 6: Final answer
    x = 17,915.22

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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.