Home / 38,358.57-57,536.50-11,703.49

Finding the Fourth Proportional to 38,358.57, 57,536.50 and 11,703.49

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Solution

The fourth proportional to 38,358.57, 57,536.50 and 11,703.49 is: 17,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.57 : 57,536.50 = 11,703.49 : x
  2. Step 2: Convert to fraction form
    38,358.57/57,536.50 = 11,703.49/x
  3. Step 3: Cross multiply
    38,358.57x = 57,536.50 × 11,703.49
  4. Step 4: Simplify right side
    38,358.57x = 673,377,636.62
  5. Step 5: Solve for x
    x = 673,377,636.62/38,358.57
  6. Step 6: Final answer
    x = 17,554.81

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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.