Home / 43,880.78-65,827.99-14,291.72

Finding the Fourth Proportional to 43,880.78, 65,827.99 and 14,291.72

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Solution

The fourth proportional to 43,880.78, 65,827.99 and 14,291.72 is: 21,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.78 : 65,827.99 = 14,291.72 : x
  2. Step 2: Convert to fraction form
    43,880.78/65,827.99 = 14,291.72/x
  3. Step 3: Cross multiply
    43,880.78x = 65,827.99 × 14,291.72
  4. Step 4: Simplify right side
    43,880.78x = 940,795,330.08
  5. Step 5: Solve for x
    x = 940,795,330.08/43,880.78
  6. Step 6: Final answer
    x = 21,439.81

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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.