Home / 43,222.38-64,859.08-18,260.81

Finding the Fourth Proportional to 43,222.38, 64,859.08 and 18,260.81

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Solution

The fourth proportional to 43,222.38, 64,859.08 and 18,260.81 is: 27,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222.38 : 64,859.08 = 18,260.81 : x
  2. Step 2: Convert to fraction form
    43,222.38/64,859.08 = 18,260.81/x
  3. Step 3: Cross multiply
    43,222.38x = 64,859.08 × 18,260.81
  4. Step 4: Simplify right side
    43,222.38x = 1,184,379,336.65
  5. Step 5: Solve for x
    x = 1,184,379,336.65/43,222.38
  6. Step 6: Final answer
    x = 27,401.99

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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.