Home / 49,448.90-74,145.40-19,472.42

Finding the Fourth Proportional to 49,448.90, 74,145.40 and 19,472.42

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Solution

The fourth proportional to 49,448.90, 74,145.40 and 19,472.42 is: 29,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.90 : 74,145.40 = 19,472.42 : x
  2. Step 2: Convert to fraction form
    49,448.90/74,145.40 = 19,472.42/x
  3. Step 3: Cross multiply
    49,448.90x = 74,145.40 × 19,472.42
  4. Step 4: Simplify right side
    49,448.90x = 1,443,790,369.87
  5. Step 5: Solve for x
    x = 1,443,790,369.87/49,448.90
  6. Step 6: Final answer
    x = 29,197.62

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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.