Home / 31,047.87-46,579.68-8,861.33

Finding the Fourth Proportional to 31,047.87, 46,579.68 and 8,861.33

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Solution

The fourth proportional to 31,047.87, 46,579.68 and 8,861.33 is: 13,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.87 : 46,579.68 = 8,861.33 : x
  2. Step 2: Convert to fraction form
    31,047.87/46,579.68 = 8,861.33/x
  3. Step 3: Cross multiply
    31,047.87x = 46,579.68 × 8,861.33
  4. Step 4: Simplify right side
    31,047.87x = 412,757,915.77
  5. Step 5: Solve for x
    x = 412,757,915.77/31,047.87
  6. Step 6: Final answer
    x = 13,294.24

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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.