Home / 47,783.12-71,645.52-19,694.48

Finding the Fourth Proportional to 47,783.12, 71,645.52 and 19,694.48

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Solution

The fourth proportional to 47,783.12, 71,645.52 and 19,694.48 is: 29,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,783.12 : 71,645.52 = 19,694.48 : x
  2. Step 2: Convert to fraction form
    47,783.12/71,645.52 = 19,694.48/x
  3. Step 3: Cross multiply
    47,783.12x = 71,645.52 × 19,694.48
  4. Step 4: Simplify right side
    47,783.12x = 1,411,021,260.73
  5. Step 5: Solve for x
    x = 1,411,021,260.73/47,783.12
  6. Step 6: Final answer
    x = 29,529.70

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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.