Home / 51,769.20-77,636.94-16,700.66

Finding the Fourth Proportional to 51,769.20, 77,636.94 and 16,700.66

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Solution

The fourth proportional to 51,769.20, 77,636.94 and 16,700.66 is: 25,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.20 : 77,636.94 = 16,700.66 : x
  2. Step 2: Convert to fraction form
    51,769.20/77,636.94 = 16,700.66/x
  3. Step 3: Cross multiply
    51,769.20x = 77,636.94 × 16,700.66
  4. Step 4: Simplify right side
    51,769.20x = 1,296,588,138.38
  5. Step 5: Solve for x
    x = 1,296,588,138.38/51,769.20
  6. Step 6: Final answer
    x = 25,045.55

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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.