Home / 47,941.89-71,913.42-18,361.50

Finding the Fourth Proportional to 47,941.89, 71,913.42 and 18,361.50

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Solution

The fourth proportional to 47,941.89, 71,913.42 and 18,361.50 is: 27,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.89 : 71,913.42 = 18,361.50 : x
  2. Step 2: Convert to fraction form
    47,941.89/71,913.42 = 18,361.50/x
  3. Step 3: Cross multiply
    47,941.89x = 71,913.42 × 18,361.50
  4. Step 4: Simplify right side
    47,941.89x = 1,320,438,261.33
  5. Step 5: Solve for x
    x = 1,320,438,261.33/47,941.89
  6. Step 6: Final answer
    x = 27,542.47

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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.