Home / 49,009.76-67,631.40-27,790.44

Finding the Fourth Proportional to 49,009.76, 67,631.40 and 27,790.44

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Solution

The fourth proportional to 49,009.76, 67,631.40 and 27,790.44 is: 38,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.76 : 67,631.40 = 27,790.44 : x
  2. Step 2: Convert to fraction form
    49,009.76/67,631.40 = 27,790.44/x
  3. Step 3: Cross multiply
    49,009.76x = 67,631.40 × 27,790.44
  4. Step 4: Simplify right side
    49,009.76x = 1,879,506,363.82
  5. Step 5: Solve for x
    x = 1,879,506,363.82/49,009.76
  6. Step 6: Final answer
    x = 38,349.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.