Home / 47,393.42-71,112.11-20,735.90

Finding the Fourth Proportional to 47,393.42, 71,112.11 and 20,735.90

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Solution

The fourth proportional to 47,393.42, 71,112.11 and 20,735.90 is: 31,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.42 : 71,112.11 = 20,735.90 : x
  2. Step 2: Convert to fraction form
    47,393.42/71,112.11 = 20,735.90/x
  3. Step 3: Cross multiply
    47,393.42x = 71,112.11 × 20,735.90
  4. Step 4: Simplify right side
    47,393.42x = 1,474,573,220.27
  5. Step 5: Solve for x
    x = 1,474,573,220.27/47,393.42
  6. Step 6: Final answer
    x = 31,113.46

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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.