Home / 43,846.72-65,720.76-21,613.04

Finding the Fourth Proportional to 43,846.72, 65,720.76 and 21,613.04

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Solution

The fourth proportional to 43,846.72, 65,720.76 and 21,613.04 is: 32,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,846.72 : 65,720.76 = 21,613.04 : x
  2. Step 2: Convert to fraction form
    43,846.72/65,720.76 = 21,613.04/x
  3. Step 3: Cross multiply
    43,846.72x = 65,720.76 × 21,613.04
  4. Step 4: Simplify right side
    43,846.72x = 1,420,425,414.71
  5. Step 5: Solve for x
    x = 1,420,425,414.71/43,846.72
  6. Step 6: Final answer
    x = 32,395.25

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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.