Home / 47,829.52-66,016.11-28,963

Finding the Fourth Proportional to 47,829.52, 66,016.11 and 28,963

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Solution

The fourth proportional to 47,829.52, 66,016.11 and 28,963 is: 39,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829.52 : 66,016.11 = 28,963 : x
  2. Step 2: Convert to fraction form
    47,829.52/66,016.11 = 28,963/x
  3. Step 3: Cross multiply
    47,829.52x = 66,016.11 × 28,963
  4. Step 4: Simplify right side
    47,829.52x = 1,912,024,593.93
  5. Step 5: Solve for x
    x = 1,912,024,593.93/47,829.52
  6. Step 6: Final answer
    x = 39,975.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.