Home / 43,490.72-65,257.68-17,214.32

Finding the Fourth Proportional to 43,490.72, 65,257.68 and 17,214.32

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Solution

The fourth proportional to 43,490.72, 65,257.68 and 17,214.32 is: 25,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.72 : 65,257.68 = 17,214.32 : x
  2. Step 2: Convert to fraction form
    43,490.72/65,257.68 = 17,214.32/x
  3. Step 3: Cross multiply
    43,490.72x = 65,257.68 × 17,214.32
  4. Step 4: Simplify right side
    43,490.72x = 1,123,366,585.98
  5. Step 5: Solve for x
    x = 1,123,366,585.98/43,490.72
  6. Step 6: Final answer
    x = 25,830.03

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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.