Home / 47,682.72-71,524.62-14,405.76

Finding the Fourth Proportional to 47,682.72, 71,524.62 and 14,405.76

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Solution

The fourth proportional to 47,682.72, 71,524.62 and 14,405.76 is: 21,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,682.72 : 71,524.62 = 14,405.76 : x
  2. Step 2: Convert to fraction form
    47,682.72/71,524.62 = 14,405.76/x
  3. Step 3: Cross multiply
    47,682.72x = 71,524.62 × 14,405.76
  4. Step 4: Simplify right side
    47,682.72x = 1,030,366,509.81
  5. Step 5: Solve for x
    x = 1,030,366,509.81/47,682.72
  6. Step 6: Final answer
    x = 21,608.80

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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.