Home / 47,754.69-71,631.96-12,694.35

Finding the Fourth Proportional to 47,754.69, 71,631.96 and 12,694.35

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Solution

The fourth proportional to 47,754.69, 71,631.96 and 12,694.35 is: 19,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754.69 : 71,631.96 = 12,694.35 : x
  2. Step 2: Convert to fraction form
    47,754.69/71,631.96 = 12,694.35/x
  3. Step 3: Cross multiply
    47,754.69x = 71,631.96 × 12,694.35
  4. Step 4: Simplify right side
    47,754.69x = 909,321,171.43
  5. Step 5: Solve for x
    x = 909,321,171.43/47,754.69
  6. Step 6: Final answer
    x = 19,041.51

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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.