Home / 64,621.87-96,932.84-20,252.09

Finding the Fourth Proportional to 64,621.87, 96,932.84 and 20,252.09

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Solution

The fourth proportional to 64,621.87, 96,932.84 and 20,252.09 is: 30,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,621.87 : 96,932.84 = 20,252.09 : x
  2. Step 2: Convert to fraction form
    64,621.87/96,932.84 = 20,252.09/x
  3. Step 3: Cross multiply
    64,621.87x = 96,932.84 × 20,252.09
  4. Step 4: Simplify right side
    64,621.87x = 1,963,092,892.60
  5. Step 5: Solve for x
    x = 1,963,092,892.60/64,621.87
  6. Step 6: Final answer
    x = 30,378.15

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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.