Home / 71,455.20-107,160.32-25,857.01

Finding the Fourth Proportional to 71,455.20, 107,160.32 and 25,857.01

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Solution

The fourth proportional to 71,455.20, 107,160.32 and 25,857.01 is: 38,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,455.20 : 107,160.32 = 25,857.01 : x
  2. Step 2: Convert to fraction form
    71,455.20/107,160.32 = 25,857.01/x
  3. Step 3: Cross multiply
    71,455.20x = 107,160.32 × 25,857.01
  4. Step 4: Simplify right side
    71,455.20x = 2,770,845,664.44
  5. Step 5: Solve for x
    x = 2,770,845,664.44/71,455.20
  6. Step 6: Final answer
    x = 38,777.39

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1.5x scale

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.