Home / 34,579.31-51,838.19-13,514.56

Finding the Fourth Proportional to 34,579.31, 51,838.19 and 13,514.56

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Solution

The fourth proportional to 34,579.31, 51,838.19 and 13,514.56 is: 20,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,579.31 : 51,838.19 = 13,514.56 : x
  2. Step 2: Convert to fraction form
    34,579.31/51,838.19 = 13,514.56/x
  3. Step 3: Cross multiply
    34,579.31x = 51,838.19 × 13,514.56
  4. Step 4: Simplify right side
    34,579.31x = 700,570,329.05
  5. Step 5: Solve for x
    x = 700,570,329.05/34,579.31
  6. Step 6: Final answer
    x = 20,259.81

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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.