Home / 51,268.57-76,911.05-21,694.86

Finding the Fourth Proportional to 51,268.57, 76,911.05 and 21,694.86

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Solution

The fourth proportional to 51,268.57, 76,911.05 and 21,694.86 is: 32,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.57 : 76,911.05 = 21,694.86 : x
  2. Step 2: Convert to fraction form
    51,268.57/76,911.05 = 21,694.86/x
  3. Step 3: Cross multiply
    51,268.57x = 76,911.05 × 21,694.86
  4. Step 4: Simplify right side
    51,268.57x = 1,668,574,516.44
  5. Step 5: Solve for x
    x = 1,668,574,516.44/51,268.57
  6. Step 6: Final answer
    x = 32,545.76

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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.