Home / 34,221.80-51,290.33-19,385.74

Finding the Fourth Proportional to 34,221.80, 51,290.33 and 19,385.74

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Solution

The fourth proportional to 34,221.80, 51,290.33 and 19,385.74 is: 29,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.80 : 51,290.33 = 19,385.74 : x
  2. Step 2: Convert to fraction form
    34,221.80/51,290.33 = 19,385.74/x
  3. Step 3: Cross multiply
    34,221.80x = 51,290.33 × 19,385.74
  4. Step 4: Simplify right side
    34,221.80x = 994,300,969.08
  5. Step 5: Solve for x
    x = 994,300,969.08/34,221.80
  6. Step 6: Final answer
    x = 29,054.61

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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.