Home / 47,947.68-71,938.80-16,791.84

Finding the Fourth Proportional to 47,947.68, 71,938.80 and 16,791.84

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Solution

The fourth proportional to 47,947.68, 71,938.80 and 16,791.84 is: 25,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.68 : 71,938.80 = 16,791.84 : x
  2. Step 2: Convert to fraction form
    47,947.68/71,938.80 = 16,791.84/x
  3. Step 3: Cross multiply
    47,947.68x = 71,938.80 × 16,791.84
  4. Step 4: Simplify right side
    47,947.68x = 1,207,984,819.39
  5. Step 5: Solve for x
    x = 1,207,984,819.39/47,947.68
  6. Step 6: Final answer
    x = 25,193.81

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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.