Home / 34,725.88-51,975.15-18,891.37

Finding the Fourth Proportional to 34,725.88, 51,975.15 and 18,891.37

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Solution

The fourth proportional to 34,725.88, 51,975.15 and 18,891.37 is: 28,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.88 : 51,975.15 = 18,891.37 : x
  2. Step 2: Convert to fraction form
    34,725.88/51,975.15 = 18,891.37/x
  3. Step 3: Cross multiply
    34,725.88x = 51,975.15 × 18,891.37
  4. Step 4: Simplify right side
    34,725.88x = 981,881,789.46
  5. Step 5: Solve for x
    x = 981,881,789.46/34,725.88
  6. Step 6: Final answer
    x = 28,275.22

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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.