Home / 38,552.78-57,816.78-12,251.37

Finding the Fourth Proportional to 38,552.78, 57,816.78 and 12,251.37

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Solution

The fourth proportional to 38,552.78, 57,816.78 and 12,251.37 is: 18,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552.78 : 57,816.78 = 12,251.37 : x
  2. Step 2: Convert to fraction form
    38,552.78/57,816.78 = 12,251.37/x
  3. Step 3: Cross multiply
    38,552.78x = 57,816.78 × 12,251.37
  4. Step 4: Simplify right side
    38,552.78x = 708,334,763.99
  5. Step 5: Solve for x
    x = 708,334,763.99/38,552.78
  6. Step 6: Final answer
    x = 18,373.12

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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.