Home / 51,286.61-76,964.27-18,006.77

Finding the Fourth Proportional to 51,286.61, 76,964.27 and 18,006.77

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Solution

The fourth proportional to 51,286.61, 76,964.27 and 18,006.77 is: 27,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.61 : 76,964.27 = 18,006.77 : x
  2. Step 2: Convert to fraction form
    51,286.61/76,964.27 = 18,006.77/x
  3. Step 3: Cross multiply
    51,286.61x = 76,964.27 × 18,006.77
  4. Step 4: Simplify right side
    51,286.61x = 1,385,877,433.25
  5. Step 5: Solve for x
    x = 1,385,877,433.25/51,286.61
  6. Step 6: Final answer
    x = 27,022.21

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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.