Home / 54,736.40-82,007.40-51,237.20

Finding the Fourth Proportional to 54,736.40, 82,007.40 and 51,237.20

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Solution

The fourth proportional to 54,736.40, 82,007.40 and 51,237.20 is: 76,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,736.40 : 82,007.40 = 51,237.20 : x
  2. Step 2: Convert to fraction form
    54,736.40/82,007.40 = 51,237.20/x
  3. Step 3: Cross multiply
    54,736.40x = 82,007.40 × 51,237.20
  4. Step 4: Simplify right side
    54,736.40x = 4,201,829,555.28
  5. Step 5: Solve for x
    x = 4,201,829,555.28/54,736.40
  6. Step 6: Final answer
    x = 76,764.81

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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.