Home / 38,806.14-58,163.65-38,390.61

Finding the Fourth Proportional to 38,806.14, 58,163.65 and 38,390.61

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Solution

The fourth proportional to 38,806.14, 58,163.65 and 38,390.61 is: 57,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.14 : 58,163.65 = 38,390.61 : x
  2. Step 2: Convert to fraction form
    38,806.14/58,163.65 = 38,390.61/x
  3. Step 3: Cross multiply
    38,806.14x = 58,163.65 × 38,390.61
  4. Step 4: Simplify right side
    38,806.14x = 2,232,937,811.37
  5. Step 5: Solve for x
    x = 2,232,937,811.37/38,806.14
  6. Step 6: Final answer
    x = 57,540.84

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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.