Home / 47,918.76-71,900.44-18,326.84

Finding the Fourth Proportional to 47,918.76, 71,900.44 and 18,326.84

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Solution

The fourth proportional to 47,918.76, 71,900.44 and 18,326.84 is: 27,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918.76 : 71,900.44 = 18,326.84 : x
  2. Step 2: Convert to fraction form
    47,918.76/71,900.44 = 18,326.84/x
  3. Step 3: Cross multiply
    47,918.76x = 71,900.44 × 18,326.84
  4. Step 4: Simplify right side
    47,918.76x = 1,317,707,859.81
  5. Step 5: Solve for x
    x = 1,317,707,859.81/47,918.76
  6. Step 6: Final answer
    x = 27,498.79

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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.