Home / 51,174.09-76,772.81-15,640.46

Finding the Fourth Proportional to 51,174.09, 76,772.81 and 15,640.46

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Solution

The fourth proportional to 51,174.09, 76,772.81 and 15,640.46 is: 23,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.09 : 76,772.81 = 15,640.46 : x
  2. Step 2: Convert to fraction form
    51,174.09/76,772.81 = 15,640.46/x
  3. Step 3: Cross multiply
    51,174.09x = 76,772.81 × 15,640.46
  4. Step 4: Simplify right side
    51,174.09x = 1,200,762,063.89
  5. Step 5: Solve for x
    x = 1,200,762,063.89/51,174.09
  6. Step 6: Final answer
    x = 23,464.26

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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.