Home / 51,305.09-76,969.17-18,027.45

Finding the Fourth Proportional to 51,305.09, 76,969.17 and 18,027.45

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Solution

The fourth proportional to 51,305.09, 76,969.17 and 18,027.45 is: 27,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.09 : 76,969.17 = 18,027.45 : x
  2. Step 2: Convert to fraction form
    51,305.09/76,969.17 = 18,027.45/x
  3. Step 3: Cross multiply
    51,305.09x = 76,969.17 × 18,027.45
  4. Step 4: Simplify right side
    51,305.09x = 1,387,557,863.72
  5. Step 5: Solve for x
    x = 1,387,557,863.72/51,305.09
  6. Step 6: Final answer
    x = 27,045.23

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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.