Home / 47,551.14-71,321.31-12,493.53

Finding the Fourth Proportional to 47,551.14, 71,321.31 and 12,493.53

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Solution

The fourth proportional to 47,551.14, 71,321.31 and 12,493.53 is: 18,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,551.14 : 71,321.31 = 12,493.53 : x
  2. Step 2: Convert to fraction form
    47,551.14/71,321.31 = 12,493.53/x
  3. Step 3: Cross multiply
    47,551.14x = 71,321.31 × 12,493.53
  4. Step 4: Simplify right side
    47,551.14x = 891,054,926.12
  5. Step 5: Solve for x
    x = 891,054,926.12/47,551.14
  6. Step 6: Final answer
    x = 18,738.88

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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.