Home / 31,087.70-46,623.06-8,592.98

Finding the Fourth Proportional to 31,087.70, 46,623.06 and 8,592.98

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Solution

The fourth proportional to 31,087.70, 46,623.06 and 8,592.98 is: 12,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087.70 : 46,623.06 = 8,592.98 : x
  2. Step 2: Convert to fraction form
    31,087.70/46,623.06 = 8,592.98/x
  3. Step 3: Cross multiply
    31,087.70x = 46,623.06 × 8,592.98
  4. Step 4: Simplify right side
    31,087.70x = 400,631,022.12
  5. Step 5: Solve for x
    x = 400,631,022.12/31,087.70
  6. Step 6: Final answer
    x = 12,887.12

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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.