Home / 47,679.20-71,495.76-27,964.16

Finding the Fourth Proportional to 47,679.20, 71,495.76 and 27,964.16

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Solution

The fourth proportional to 47,679.20, 71,495.76 and 27,964.16 is: 41,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679.20 : 71,495.76 = 27,964.16 : x
  2. Step 2: Convert to fraction form
    47,679.20/71,495.76 = 27,964.16/x
  3. Step 3: Cross multiply
    47,679.20x = 71,495.76 × 27,964.16
  4. Step 4: Simplify right side
    47,679.20x = 1,999,318,871.96
  5. Step 5: Solve for x
    x = 1,999,318,871.96/47,679.20
  6. Step 6: Final answer
    x = 41,932.73

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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.