Home / 47,971.76-71,958.09-18,382.55

Finding the Fourth Proportional to 47,971.76, 71,958.09 and 18,382.55

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Solution

The fourth proportional to 47,971.76, 71,958.09 and 18,382.55 is: 27,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.76 : 71,958.09 = 18,382.55 : x
  2. Step 2: Convert to fraction form
    47,971.76/71,958.09 = 18,382.55/x
  3. Step 3: Cross multiply
    47,971.76x = 71,958.09 × 18,382.55
  4. Step 4: Simplify right side
    47,971.76x = 1,322,773,187.33
  5. Step 5: Solve for x
    x = 1,322,773,187.33/47,971.76
  6. Step 6: Final answer
    x = 27,574.00

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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.