Home / 38,319.80-57,375.84-19,812.92

Finding the Fourth Proportional to 38,319.80, 57,375.84 and 19,812.92

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Solution

The fourth proportional to 38,319.80, 57,375.84 and 19,812.92 is: 29,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.80 : 57,375.84 = 19,812.92 : x
  2. Step 2: Convert to fraction form
    38,319.80/57,375.84 = 19,812.92/x
  3. Step 3: Cross multiply
    38,319.80x = 57,375.84 × 19,812.92
  4. Step 4: Simplify right side
    38,319.80x = 1,136,782,927.85
  5. Step 5: Solve for x
    x = 1,136,782,927.85/38,319.80
  6. Step 6: Final answer
    x = 29,665.68

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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.