Home / 47,863.14-71,789.64-12,806.34

Finding the Fourth Proportional to 47,863.14, 71,789.64 and 12,806.34

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Solution

The fourth proportional to 47,863.14, 71,789.64 and 12,806.34 is: 19,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,863.14 : 71,789.64 = 12,806.34 : x
  2. Step 2: Convert to fraction form
    47,863.14/71,789.64 = 12,806.34/x
  3. Step 3: Cross multiply
    47,863.14x = 71,789.64 × 12,806.34
  4. Step 4: Simplify right side
    47,863.14x = 919,362,538.32
  5. Step 5: Solve for x
    x = 919,362,538.32/47,863.14
  6. Step 6: Final answer
    x = 19,208.15

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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.