Home / 43,358.65-65,044.17-13,375.41

Finding the Fourth Proportional to 43,358.65, 65,044.17 and 13,375.41

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Solution

The fourth proportional to 43,358.65, 65,044.17 and 13,375.41 is: 20,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.65 : 65,044.17 = 13,375.41 : x
  2. Step 2: Convert to fraction form
    43,358.65/65,044.17 = 13,375.41/x
  3. Step 3: Cross multiply
    43,358.65x = 65,044.17 × 13,375.41
  4. Step 4: Simplify right side
    43,358.65x = 869,992,441.86
  5. Step 5: Solve for x
    x = 869,992,441.86/43,358.65
  6. Step 6: Final answer
    x = 20,065.03

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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.