Home / 47,769.72-71,654.58-28,185.24

Finding the Fourth Proportional to 47,769.72, 71,654.58 and 28,185.24

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Solution

The fourth proportional to 47,769.72, 71,654.58 and 28,185.24 is: 42,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.72 : 71,654.58 = 28,185.24 : x
  2. Step 2: Convert to fraction form
    47,769.72/71,654.58 = 28,185.24/x
  3. Step 3: Cross multiply
    47,769.72x = 71,654.58 × 28,185.24
  4. Step 4: Simplify right side
    47,769.72x = 2,019,601,534.40
  5. Step 5: Solve for x
    x = 2,019,601,534.40/47,769.72
  6. Step 6: Final answer
    x = 42,277.86

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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.