Home / 43,510.91-65,284.97-18,216.33

Finding the Fourth Proportional to 43,510.91, 65,284.97 and 18,216.33

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Solution

The fourth proportional to 43,510.91, 65,284.97 and 18,216.33 is: 27,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,510.91 : 65,284.97 = 18,216.33 : x
  2. Step 2: Convert to fraction form
    43,510.91/65,284.97 = 18,216.33/x
  3. Step 3: Cross multiply
    43,510.91x = 65,284.97 × 18,216.33
  4. Step 4: Simplify right side
    43,510.91x = 1,189,252,557.56
  5. Step 5: Solve for x
    x = 1,189,252,557.56/43,510.91
  6. Step 6: Final answer
    x = 27,332.28

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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.