Home / 39,589.62-59,385.18-18,518.04

Finding the Fourth Proportional to 39,589.62, 59,385.18 and 18,518.04

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Solution

The fourth proportional to 39,589.62, 59,385.18 and 18,518.04 is: 27,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.62 : 59,385.18 = 18,518.04 : x
  2. Step 2: Convert to fraction form
    39,589.62/59,385.18 = 18,518.04/x
  3. Step 3: Cross multiply
    39,589.62x = 59,385.18 × 18,518.04
  4. Step 4: Simplify right side
    39,589.62x = 1,099,697,138.65
  5. Step 5: Solve for x
    x = 1,099,697,138.65/39,589.62
  6. Step 6: Final answer
    x = 27,777.41

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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.