Home / 49,716.91-74,565.64-18,545.95

Finding the Fourth Proportional to 49,716.91, 74,565.64 and 18,545.95

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Solution

The fourth proportional to 49,716.91, 74,565.64 and 18,545.95 is: 27,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,716.91 : 74,565.64 = 18,545.95 : x
  2. Step 2: Convert to fraction form
    49,716.91/74,565.64 = 18,545.95/x
  3. Step 3: Cross multiply
    49,716.91x = 74,565.64 × 18,545.95
  4. Step 4: Simplify right side
    49,716.91x = 1,382,890,631.16
  5. Step 5: Solve for x
    x = 1,382,890,631.16/49,716.91
  6. Step 6: Final answer
    x = 27,815.30

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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.