Home / 39,174.28-58,768.34-12,522.65

Finding the Fourth Proportional to 39,174.28, 58,768.34 and 12,522.65

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Solution

The fourth proportional to 39,174.28, 58,768.34 and 12,522.65 is: 18,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.28 : 58,768.34 = 12,522.65 : x
  2. Step 2: Convert to fraction form
    39,174.28/58,768.34 = 12,522.65/x
  3. Step 3: Cross multiply
    39,174.28x = 58,768.34 × 12,522.65
  4. Step 4: Simplify right side
    39,174.28x = 735,935,327.02
  5. Step 5: Solve for x
    x = 735,935,327.02/39,174.28
  6. Step 6: Final answer
    x = 18,786.18

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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.