Home / 51,208.92-76,812.60-31,224.30

Finding the Fourth Proportional to 51,208.92, 76,812.60 and 31,224.30

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Solution

The fourth proportional to 51,208.92, 76,812.60 and 31,224.30 is: 46,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.92 : 76,812.60 = 31,224.30 : x
  2. Step 2: Convert to fraction form
    51,208.92/76,812.60 = 31,224.30/x
  3. Step 3: Cross multiply
    51,208.92x = 76,812.60 × 31,224.30
  4. Step 4: Simplify right side
    51,208.92x = 2,398,419,495.22
  5. Step 5: Solve for x
    x = 2,398,419,495.22/51,208.92
  6. Step 6: Final answer
    x = 46,835.97

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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.