Home / 43,972.22-65,962.23-12,382.56

Finding the Fourth Proportional to 43,972.22, 65,962.23 and 12,382.56

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Solution

The fourth proportional to 43,972.22, 65,962.23 and 12,382.56 is: 18,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,972.22 : 65,962.23 = 12,382.56 : x
  2. Step 2: Convert to fraction form
    43,972.22/65,962.23 = 12,382.56/x
  3. Step 3: Cross multiply
    43,972.22x = 65,962.23 × 12,382.56
  4. Step 4: Simplify right side
    43,972.22x = 816,781,270.71
  5. Step 5: Solve for x
    x = 816,781,270.71/43,972.22
  6. Step 6: Final answer
    x = 18,574.94

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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.