Home / 49,312.60-73,976.28-18,145.48

Finding the Fourth Proportional to 49,312.60, 73,976.28 and 18,145.48

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Solution

The fourth proportional to 49,312.60, 73,976.28 and 18,145.48 is: 27,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,312.60 : 73,976.28 = 18,145.48 : x
  2. Step 2: Convert to fraction form
    49,312.60/73,976.28 = 18,145.48/x
  3. Step 3: Cross multiply
    49,312.60x = 73,976.28 × 18,145.48
  4. Step 4: Simplify right side
    49,312.60x = 1,342,335,109.21
  5. Step 5: Solve for x
    x = 1,342,335,109.21/49,312.60
  6. Step 6: Final answer
    x = 27,220.94

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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.