Home / 43,805.56-65,742.36-17,512.96

Finding the Fourth Proportional to 43,805.56, 65,742.36 and 17,512.96

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Solution

The fourth proportional to 43,805.56, 65,742.36 and 17,512.96 is: 26,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,805.56 : 65,742.36 = 17,512.96 : x
  2. Step 2: Convert to fraction form
    43,805.56/65,742.36 = 17,512.96/x
  3. Step 3: Cross multiply
    43,805.56x = 65,742.36 × 17,512.96
  4. Step 4: Simplify right side
    43,805.56x = 1,151,343,320.99
  5. Step 5: Solve for x
    x = 1,151,343,320.99/43,805.56
  6. Step 6: Final answer
    x = 26,283.04

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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.