Home / 47,687.40-71,540.70-16,516.20

Finding the Fourth Proportional to 47,687.40, 71,540.70 and 16,516.20

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Solution

The fourth proportional to 47,687.40, 71,540.70 and 16,516.20 is: 24,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.40 : 71,540.70 = 16,516.20 : x
  2. Step 2: Convert to fraction form
    47,687.40/71,540.70 = 16,516.20/x
  3. Step 3: Cross multiply
    47,687.40x = 71,540.70 × 16,516.20
  4. Step 4: Simplify right side
    47,687.40x = 1,181,580,509.34
  5. Step 5: Solve for x
    x = 1,181,580,509.34/47,687.40
  6. Step 6: Final answer
    x = 24,777.62

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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.