Home / 49,939.62-68,931.45-28,733.82

Finding the Fourth Proportional to 49,939.62, 68,931.45 and 28,733.82

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Solution

The fourth proportional to 49,939.62, 68,931.45 and 28,733.82 is: 39,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.62 : 68,931.45 = 28,733.82 : x
  2. Step 2: Convert to fraction form
    49,939.62/68,931.45 = 28,733.82/x
  3. Step 3: Cross multiply
    49,939.62x = 68,931.45 × 28,733.82
  4. Step 4: Simplify right side
    49,939.62x = 1,980,663,876.64
  5. Step 5: Solve for x
    x = 1,980,663,876.64/49,939.62
  6. Step 6: Final answer
    x = 39,661.17

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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.