Home / 39,747.65-54,852.39-22,751.82

Finding the Fourth Proportional to 39,747.65, 54,852.39 and 22,751.82

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Solution

The fourth proportional to 39,747.65, 54,852.39 and 22,751.82 is: 31,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.65 : 54,852.39 = 22,751.82 : x
  2. Step 2: Convert to fraction form
    39,747.65/54,852.39 = 22,751.82/x
  3. Step 3: Cross multiply
    39,747.65x = 54,852.39 × 22,751.82
  4. Step 4: Simplify right side
    39,747.65x = 1,247,991,703.85
  5. Step 5: Solve for x
    x = 1,247,991,703.85/39,747.65
  6. Step 6: Final answer
    x = 31,397.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.