Home / 54,493.20-81,631.80-47,998.80

Finding the Fourth Proportional to 54,493.20, 81,631.80 and 47,998.80

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Solution

The fourth proportional to 54,493.20, 81,631.80 and 47,998.80 is: 71,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,493.20 : 81,631.80 = 47,998.80 : x
  2. Step 2: Convert to fraction form
    54,493.20/81,631.80 = 47,998.80/x
  3. Step 3: Cross multiply
    54,493.20x = 81,631.80 × 47,998.80
  4. Step 4: Simplify right side
    54,493.20x = 3,918,228,441.84
  5. Step 5: Solve for x
    x = 3,918,228,441.84/54,493.20
  6. Step 6: Final answer
    x = 71,903.07

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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.