Home / 47,432.43-71,185.38-17,877.15

Finding the Fourth Proportional to 47,432.43, 71,185.38 and 17,877.15

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Solution

The fourth proportional to 47,432.43, 71,185.38 and 17,877.15 is: 26,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,432.43 : 71,185.38 = 17,877.15 : x
  2. Step 2: Convert to fraction form
    47,432.43/71,185.38 = 17,877.15/x
  3. Step 3: Cross multiply
    47,432.43x = 71,185.38 × 17,877.15
  4. Step 4: Simplify right side
    47,432.43x = 1,272,591,716.07
  5. Step 5: Solve for x
    x = 1,272,591,716.07/47,432.43
  6. Step 6: Final answer
    x = 26,829.57

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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.