Home / 39,310.30-58,989.75-15,936.94

Finding the Fourth Proportional to 39,310.30, 58,989.75 and 15,936.94

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Solution

The fourth proportional to 39,310.30, 58,989.75 and 15,936.94 is: 23,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.30 : 58,989.75 = 15,936.94 : x
  2. Step 2: Convert to fraction form
    39,310.30/58,989.75 = 15,936.94/x
  3. Step 3: Cross multiply
    39,310.30x = 58,989.75 × 15,936.94
  4. Step 4: Simplify right side
    39,310.30x = 940,116,106.37
  5. Step 5: Solve for x
    x = 940,116,106.37/39,310.30
  6. Step 6: Final answer
    x = 23,915.26

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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.