Home / 31,288.38-46,950.84-11,580.72

Finding the Fourth Proportional to 31,288.38, 46,950.84 and 11,580.72

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Solution

The fourth proportional to 31,288.38, 46,950.84 and 11,580.72 is: 17,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.38 : 46,950.84 = 11,580.72 : x
  2. Step 2: Convert to fraction form
    31,288.38/46,950.84 = 11,580.72/x
  3. Step 3: Cross multiply
    31,288.38x = 46,950.84 × 11,580.72
  4. Step 4: Simplify right side
    31,288.38x = 543,724,531.80
  5. Step 5: Solve for x
    x = 543,724,531.80/31,288.38
  6. Step 6: Final answer
    x = 17,377.84

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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.