Home / 51,274.08-76,916.61-21,694.91

Finding the Fourth Proportional to 51,274.08, 76,916.61 and 21,694.91

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Solution

The fourth proportional to 51,274.08, 76,916.61 and 21,694.91 is: 32,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,274.08 : 76,916.61 = 21,694.91 : x
  2. Step 2: Convert to fraction form
    51,274.08/76,916.61 = 21,694.91/x
  3. Step 3: Cross multiply
    51,274.08x = 76,916.61 × 21,694.91
  4. Step 4: Simplify right side
    51,274.08x = 1,668,698,546.87
  5. Step 5: Solve for x
    x = 1,668,698,546.87/51,274.08
  6. Step 6: Final answer
    x = 32,544.68

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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.