Home / 47,945.07-71,918.28-18,364.41

Finding the Fourth Proportional to 47,945.07, 71,918.28 and 18,364.41

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Solution

The fourth proportional to 47,945.07, 71,918.28 and 18,364.41 is: 27,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.07 : 71,918.28 = 18,364.41 : x
  2. Step 2: Convert to fraction form
    47,945.07/71,918.28 = 18,364.41/x
  3. Step 3: Cross multiply
    47,945.07x = 71,918.28 × 18,364.41
  4. Step 4: Simplify right side
    47,945.07x = 1,320,736,780.41
  5. Step 5: Solve for x
    x = 1,320,736,780.41/47,945.07
  6. Step 6: Final answer
    x = 27,546.87

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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.