Home / 43,346.16-64,993.29-18,015.12

Finding the Fourth Proportional to 43,346.16, 64,993.29 and 18,015.12

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Solution

The fourth proportional to 43,346.16, 64,993.29 and 18,015.12 is: 27,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,346.16 : 64,993.29 = 18,015.12 : x
  2. Step 2: Convert to fraction form
    43,346.16/64,993.29 = 18,015.12/x
  3. Step 3: Cross multiply
    43,346.16x = 64,993.29 × 18,015.12
  4. Step 4: Simplify right side
    43,346.16x = 1,170,861,918.54
  5. Step 5: Solve for x
    x = 1,170,861,918.54/43,346.16
  6. Step 6: Final answer
    x = 27,011.89

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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.