Home / 47,917.81-71,872.21-22,611.43

Finding the Fourth Proportional to 47,917.81, 71,872.21 and 22,611.43

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Solution

The fourth proportional to 47,917.81, 71,872.21 and 22,611.43 is: 33,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,917.81 : 71,872.21 = 22,611.43 : x
  2. Step 2: Convert to fraction form
    47,917.81/71,872.21 = 22,611.43/x
  3. Step 3: Cross multiply
    47,917.81x = 71,872.21 × 22,611.43
  4. Step 4: Simplify right side
    47,917.81x = 1,625,133,445.36
  5. Step 5: Solve for x
    x = 1,625,133,445.36/47,917.81
  6. Step 6: Final answer
    x = 33,915.02

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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.