Home / 51,230.27-76,845.41-13,790.43

Finding the Fourth Proportional to 51,230.27, 76,845.41 and 13,790.43

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Solution

The fourth proportional to 51,230.27, 76,845.41 and 13,790.43 is: 20,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.27 : 76,845.41 = 13,790.43 : x
  2. Step 2: Convert to fraction form
    51,230.27/76,845.41 = 13,790.43/x
  3. Step 3: Cross multiply
    51,230.27x = 76,845.41 × 13,790.43
  4. Step 4: Simplify right side
    51,230.27x = 1,059,731,178.47
  5. Step 5: Solve for x
    x = 1,059,731,178.47/51,230.27
  6. Step 6: Final answer
    x = 20,685.65

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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.