Home / 43,765.20-65,628.60-17,461.20

Finding the Fourth Proportional to 43,765.20, 65,628.60 and 17,461.20

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Solution

The fourth proportional to 43,765.20, 65,628.60 and 17,461.20 is: 26,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,765.20 : 65,628.60 = 17,461.20 : x
  2. Step 2: Convert to fraction form
    43,765.20/65,628.60 = 17,461.20/x
  3. Step 3: Cross multiply
    43,765.20x = 65,628.60 × 17,461.20
  4. Step 4: Simplify right side
    43,765.20x = 1,145,954,110.32
  5. Step 5: Solve for x
    x = 1,145,954,110.32/43,765.20
  6. Step 6: Final answer
    x = 26,184.14

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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.