Home / 47,915.96-71,872.32-14,634.68

Finding the Fourth Proportional to 47,915.96, 71,872.32 and 14,634.68

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Solution

The fourth proportional to 47,915.96, 71,872.32 and 14,634.68 is: 21,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.96 : 71,872.32 = 14,634.68 : x
  2. Step 2: Convert to fraction form
    47,915.96/71,872.32 = 14,634.68/x
  3. Step 3: Cross multiply
    47,915.96x = 71,872.32 × 14,634.68
  4. Step 4: Simplify right side
    47,915.96x = 1,051,828,404.06
  5. Step 5: Solve for x
    x = 1,051,828,404.06/47,915.96
  6. Step 6: Final answer
    x = 21,951.53

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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.