Home / 43,822.64-65,736.08-12,232.64

Finding the Fourth Proportional to 43,822.64, 65,736.08 and 12,232.64

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Solution

The fourth proportional to 43,822.64, 65,736.08 and 12,232.64 is: 18,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,822.64 : 65,736.08 = 12,232.64 : x
  2. Step 2: Convert to fraction form
    43,822.64/65,736.08 = 12,232.64/x
  3. Step 3: Cross multiply
    43,822.64x = 65,736.08 × 12,232.64
  4. Step 4: Simplify right side
    43,822.64x = 804,125,801.65
  5. Step 5: Solve for x
    x = 804,125,801.65/43,822.64
  6. Step 6: Final answer
    x = 18,349.55

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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.