Home / 38,562.92-57,831.99-12,261.51

Finding the Fourth Proportional to 38,562.92, 57,831.99 and 12,261.51

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Solution

The fourth proportional to 38,562.92, 57,831.99 and 12,261.51 is: 18,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562.92 : 57,831.99 = 12,261.51 : x
  2. Step 2: Convert to fraction form
    38,562.92/57,831.99 = 12,261.51/x
  3. Step 3: Cross multiply
    38,562.92x = 57,831.99 × 12,261.51
  4. Step 4: Simplify right side
    38,562.92x = 709,107,523.70
  5. Step 5: Solve for x
    x = 709,107,523.70/38,562.92
  6. Step 6: Final answer
    x = 18,388.33

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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.