Home / 38,320.99-57,490.14-11,669.37

Finding the Fourth Proportional to 38,320.99, 57,490.14 and 11,669.37

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Solution

The fourth proportional to 38,320.99, 57,490.14 and 11,669.37 is: 17,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.99 : 57,490.14 = 11,669.37 : x
  2. Step 2: Convert to fraction form
    38,320.99/57,490.14 = 11,669.37/x
  3. Step 3: Cross multiply
    38,320.99x = 57,490.14 × 11,669.37
  4. Step 4: Simplify right side
    38,320.99x = 670,873,477.54
  5. Step 5: Solve for x
    x = 670,873,477.54/38,320.99
  6. Step 6: Final answer
    x = 17,506.68

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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.