Home / 49,438.92-74,167.74-19,859.07

Finding the Fourth Proportional to 49,438.92, 74,167.74 and 19,859.07

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Solution

The fourth proportional to 49,438.92, 74,167.74 and 19,859.07 is: 29,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.92 : 74,167.74 = 19,859.07 : x
  2. Step 2: Convert to fraction form
    49,438.92/74,167.74 = 19,859.07/x
  3. Step 3: Cross multiply
    49,438.92x = 74,167.74 × 19,859.07
  4. Step 4: Simplify right side
    49,438.92x = 1,472,902,340.40
  5. Step 5: Solve for x
    x = 1,472,902,340.40/49,438.92
  6. Step 6: Final answer
    x = 29,792.36

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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.