Home / 39,143.53-58,717.28-11,065.62

Finding the Fourth Proportional to 39,143.53, 58,717.28 and 11,065.62

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Solution

The fourth proportional to 39,143.53, 58,717.28 and 11,065.62 is: 16,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.53 : 58,717.28 = 11,065.62 : x
  2. Step 2: Convert to fraction form
    39,143.53/58,717.28 = 11,065.62/x
  3. Step 3: Cross multiply
    39,143.53x = 58,717.28 × 11,065.62
  4. Step 4: Simplify right side
    39,143.53x = 649,743,107.91
  5. Step 5: Solve for x
    x = 649,743,107.91/39,143.53
  6. Step 6: Final answer
    x = 16,598.99

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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.