Home / 51,979.69-77,979.15-16,449.94

Finding the Fourth Proportional to 51,979.69, 77,979.15 and 16,449.94

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Solution

The fourth proportional to 51,979.69, 77,979.15 and 16,449.94 is: 24,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979.69 : 77,979.15 = 16,449.94 : x
  2. Step 2: Convert to fraction form
    51,979.69/77,979.15 = 16,449.94/x
  3. Step 3: Cross multiply
    51,979.69x = 77,979.15 × 16,449.94
  4. Step 4: Simplify right side
    51,979.69x = 1,282,752,338.75
  5. Step 5: Solve for x
    x = 1,282,752,338.75/51,979.69
  6. Step 6: Final answer
    x = 24,677.95

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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.