Home / 49,898.52-74,825.82-18,711.90

Finding the Fourth Proportional to 49,898.52, 74,825.82 and 18,711.90

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Solution

The fourth proportional to 49,898.52, 74,825.82 and 18,711.90 is: 28,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,898.52 : 74,825.82 = 18,711.90 : x
  2. Step 2: Convert to fraction form
    49,898.52/74,825.82 = 18,711.90/x
  3. Step 3: Cross multiply
    49,898.52x = 74,825.82 × 18,711.90
  4. Step 4: Simplify right side
    49,898.52x = 1,400,133,261.26
  5. Step 5: Solve for x
    x = 1,400,133,261.26/49,898.52
  6. Step 6: Final answer
    x = 28,059.62

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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.