Home / 47,945.00-71,917.43-12,884.66

Finding the Fourth Proportional to 47,945.00, 71,917.43 and 12,884.66

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Solution

The fourth proportional to 47,945.00, 71,917.43 and 12,884.66 is: 19,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.00 : 71,917.43 = 12,884.66 : x
  2. Step 2: Convert to fraction form
    47,945.00/71,917.43 = 12,884.66/x
  3. Step 3: Cross multiply
    47,945.00x = 71,917.43 × 12,884.66
  4. Step 4: Simplify right side
    47,945.00x = 926,631,209.61
  5. Step 5: Solve for x
    x = 926,631,209.61/47,945.00
  6. Step 6: Final answer
    x = 19,326.96

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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.