Home / 64,530.64-96,821-25,115.44

Finding the Fourth Proportional to 64,530.64, 96,821 and 25,115.44

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Solution

The fourth proportional to 64,530.64, 96,821 and 25,115.44 is: 37,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,530.64 : 96,821 = 25,115.44 : x
  2. Step 2: Convert to fraction form
    64,530.64/96,821 = 25,115.44/x
  3. Step 3: Cross multiply
    64,530.64x = 96,821 × 25,115.44
  4. Step 4: Simplify right side
    64,530.64x = 2,431,702,016.24
  5. Step 5: Solve for x
    x = 2,431,702,016.24/64,530.64
  6. Step 6: Final answer
    x = 37,682.91

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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.