Home / 47,623.32-71,379.84-31,809.48

Finding the Fourth Proportional to 47,623.32, 71,379.84 and 31,809.48

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Solution

The fourth proportional to 47,623.32, 71,379.84 and 31,809.48 is: 47,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.32 : 71,379.84 = 31,809.48 : x
  2. Step 2: Convert to fraction form
    47,623.32/71,379.84 = 31,809.48/x
  3. Step 3: Cross multiply
    47,623.32x = 71,379.84 × 31,809.48
  4. Step 4: Simplify right side
    47,623.32x = 2,270,555,592.88
  5. Step 5: Solve for x
    x = 2,270,555,592.88/47,623.32
  6. Step 6: Final answer
    x = 47,677.39

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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.