Home / 34,068.80-51,105.60-19,284.80

Finding the Fourth Proportional to 34,068.80, 51,105.60 and 19,284.80

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Solution

The fourth proportional to 34,068.80, 51,105.60 and 19,284.80 is: 28,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068.80 : 51,105.60 = 19,284.80 : x
  2. Step 2: Convert to fraction form
    34,068.80/51,105.60 = 19,284.80/x
  3. Step 3: Cross multiply
    34,068.80x = 51,105.60 × 19,284.80
  4. Step 4: Simplify right side
    34,068.80x = 985,561,274.88
  5. Step 5: Solve for x
    x = 985,561,274.88/34,068.80
  6. Step 6: Final answer
    x = 28,928.56

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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.