Home / 43,784.20-65,633.10-17,453.80

Finding the Fourth Proportional to 43,784.20, 65,633.10 and 17,453.80

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Solution

The fourth proportional to 43,784.20, 65,633.10 and 17,453.80 is: 26,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.20 : 65,633.10 = 17,453.80 : x
  2. Step 2: Convert to fraction form
    43,784.20/65,633.10 = 17,453.80/x
  3. Step 3: Cross multiply
    43,784.20x = 65,633.10 × 17,453.80
  4. Step 4: Simplify right side
    43,784.20x = 1,145,547,000.78
  5. Step 5: Solve for x
    x = 1,145,547,000.78/43,784.20
  6. Step 6: Final answer
    x = 26,163.48

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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.