Home / 29,290.52-43,947.30-12,863

Finding the Fourth Proportional to 29,290.52, 43,947.30 and 12,863

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Solution

The fourth proportional to 29,290.52, 43,947.30 and 12,863 is: 19,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,290.52 : 43,947.30 = 12,863 : x
  2. Step 2: Convert to fraction form
    29,290.52/43,947.30 = 12,863/x
  3. Step 3: Cross multiply
    29,290.52x = 43,947.30 × 12,863
  4. Step 4: Simplify right side
    29,290.52x = 565,294,119.90
  5. Step 5: Solve for x
    x = 565,294,119.90/29,290.52
  6. Step 6: Final answer
    x = 19,299.56

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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.