Home / 39,116.38-58,679.14-12,453.03

Finding the Fourth Proportional to 39,116.38, 58,679.14 and 12,453.03

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Solution

The fourth proportional to 39,116.38, 58,679.14 and 12,453.03 is: 18,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.38 : 58,679.14 = 12,453.03 : x
  2. Step 2: Convert to fraction form
    39,116.38/58,679.14 = 12,453.03/x
  3. Step 3: Cross multiply
    39,116.38x = 58,679.14 × 12,453.03
  4. Step 4: Simplify right side
    39,116.38x = 730,732,797.40
  5. Step 5: Solve for x
    x = 730,732,797.40/39,116.38
  6. Step 6: Final answer
    x = 18,680.99

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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.