Home / 47,791.40-71,687.77-18,210.85

Finding the Fourth Proportional to 47,791.40, 71,687.77 and 18,210.85

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Solution

The fourth proportional to 47,791.40, 71,687.77 and 18,210.85 is: 27,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,791.40 : 71,687.77 = 18,210.85 : x
  2. Step 2: Convert to fraction form
    47,791.40/71,687.77 = 18,210.85/x
  3. Step 3: Cross multiply
    47,791.40x = 71,687.77 × 18,210.85
  4. Step 4: Simplify right side
    47,791.40x = 1,305,495,001.56
  5. Step 5: Solve for x
    x = 1,305,495,001.56/47,791.40
  6. Step 6: Final answer
    x = 27,316.53

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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.