Home / 49,440.04-74,163.52-19,857.88

Finding the Fourth Proportional to 49,440.04, 74,163.52 and 19,857.88

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Solution

The fourth proportional to 49,440.04, 74,163.52 and 19,857.88 is: 29,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,440.04 : 74,163.52 = 19,857.88 : x
  2. Step 2: Convert to fraction form
    49,440.04/74,163.52 = 19,857.88/x
  3. Step 3: Cross multiply
    49,440.04x = 74,163.52 × 19,857.88
  4. Step 4: Simplify right side
    49,440.04x = 1,472,730,280.54
  5. Step 5: Solve for x
    x = 1,472,730,280.54/49,440.04
  6. Step 6: Final answer
    x = 29,788.21

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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.