Home / 53,717.40-80,625.32-28,785.60

Finding the Fourth Proportional to 53,717.40, 80,625.32 and 28,785.60

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Solution

The fourth proportional to 53,717.40, 80,625.32 and 28,785.60 is: 43,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.40 : 80,625.32 = 28,785.60 : x
  2. Step 2: Convert to fraction form
    53,717.40/80,625.32 = 28,785.60/x
  3. Step 3: Cross multiply
    53,717.40x = 80,625.32 × 28,785.60
  4. Step 4: Simplify right side
    53,717.40x = 2,320,848,211.39
  5. Step 5: Solve for x
    x = 2,320,848,211.39/53,717.40
  6. Step 6: Final answer
    x = 43,204.78

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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.