Home / 47,911.41-71,867.13-18,338.31

Finding the Fourth Proportional to 47,911.41, 71,867.13 and 18,338.31

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Solution

The fourth proportional to 47,911.41, 71,867.13 and 18,338.31 is: 27,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.41 : 71,867.13 = 18,338.31 : x
  2. Step 2: Convert to fraction form
    47,911.41/71,867.13 = 18,338.31/x
  3. Step 3: Cross multiply
    47,911.41x = 71,867.13 × 18,338.31
  4. Step 4: Simplify right side
    47,911.41x = 1,317,921,708.75
  5. Step 5: Solve for x
    x = 1,317,921,708.75/47,911.41
  6. Step 6: Final answer
    x = 27,507.47

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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.