Home / 47,777.31-71,665.16-16,611.75

Finding the Fourth Proportional to 47,777.31, 71,665.16 and 16,611.75

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Solution

The fourth proportional to 47,777.31, 71,665.16 and 16,611.75 is: 24,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.31 : 71,665.16 = 16,611.75 : x
  2. Step 2: Convert to fraction form
    47,777.31/71,665.16 = 16,611.75/x
  3. Step 3: Cross multiply
    47,777.31x = 71,665.16 × 16,611.75
  4. Step 4: Simplify right side
    47,777.31x = 1,190,483,638.57
  5. Step 5: Solve for x
    x = 1,190,483,638.57/47,777.31
  6. Step 6: Final answer
    x = 24,917.34

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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.