Home / 64,131.82-96,208.26-19,757.60

Finding the Fourth Proportional to 64,131.82, 96,208.26 and 19,757.60

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Solution

The fourth proportional to 64,131.82, 96,208.26 and 19,757.60 is: 29,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.82 : 96,208.26 = 19,757.60 : x
  2. Step 2: Convert to fraction form
    64,131.82/96,208.26 = 19,757.60/x
  3. Step 3: Cross multiply
    64,131.82x = 96,208.26 × 19,757.60
  4. Step 4: Simplify right side
    64,131.82x = 1,900,844,317.78
  5. Step 5: Solve for x
    x = 1,900,844,317.78/64,131.82
  6. Step 6: Final answer
    x = 29,639.64

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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.