Home / 64,464.04-96,687.78-17,720.56

Finding the Fourth Proportional to 64,464.04, 96,687.78 and 17,720.56

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Solution

The fourth proportional to 64,464.04, 96,687.78 and 17,720.56 is: 26,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,464.04 : 96,687.78 = 17,720.56 : x
  2. Step 2: Convert to fraction form
    64,464.04/96,687.78 = 17,720.56/x
  3. Step 3: Cross multiply
    64,464.04x = 96,687.78 × 17,720.56
  4. Step 4: Simplify right side
    64,464.04x = 1,713,361,606.76
  5. Step 5: Solve for x
    x = 1,713,361,606.76/64,464.04
  6. Step 6: Final answer
    x = 26,578.56

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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.