Home / 34,139.88-51,178.59-28,908.54

Finding the Fourth Proportional to 34,139.88, 51,178.59 and 28,908.54

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Solution

The fourth proportional to 34,139.88, 51,178.59 and 28,908.54 is: 43,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.88 : 51,178.59 = 28,908.54 : x
  2. Step 2: Convert to fraction form
    34,139.88/51,178.59 = 28,908.54/x
  3. Step 3: Cross multiply
    34,139.88x = 51,178.59 × 28,908.54
  4. Step 4: Simplify right side
    34,139.88x = 1,479,498,316.16
  5. Step 5: Solve for x
    x = 1,479,498,316.16/34,139.88
  6. Step 6: Final answer
    x = 43,336.37

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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.