Home / 41,782.30-62,666.73-12,193.20

Finding the Fourth Proportional to 41,782.30, 62,666.73 and 12,193.20

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Solution

The fourth proportional to 41,782.30, 62,666.73 and 12,193.20 is: 18,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,782.30 : 62,666.73 = 12,193.20 : x
  2. Step 2: Convert to fraction form
    41,782.30/62,666.73 = 12,193.20/x
  3. Step 3: Cross multiply
    41,782.30x = 62,666.73 × 12,193.20
  4. Step 4: Simplify right side
    41,782.30x = 764,107,972.24
  5. Step 5: Solve for x
    x = 764,107,972.24/41,782.30
  6. Step 6: Final answer
    x = 18,287.84

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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.