Home / 47,976.30-71,872.65-25,782.30

Finding the Fourth Proportional to 47,976.30, 71,872.65 and 25,782.30

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Solution

The fourth proportional to 47,976.30, 71,872.65 and 25,782.30 is: 38,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,976.30 : 71,872.65 = 25,782.30 : x
  2. Step 2: Convert to fraction form
    47,976.30/71,872.65 = 25,782.30/x
  3. Step 3: Cross multiply
    47,976.30x = 71,872.65 × 25,782.30
  4. Step 4: Simplify right side
    47,976.30x = 1,853,042,224.10
  5. Step 5: Solve for x
    x = 1,853,042,224.10/47,976.30
  6. Step 6: Final answer
    x = 38,624.12

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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.