Home / 63,763.40-95,579.04-21,629.36

Finding the Fourth Proportional to 63,763.40, 95,579.04 and 21,629.36

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Solution

The fourth proportional to 63,763.40, 95,579.04 and 21,629.36 is: 32,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.40 : 95,579.04 = 21,629.36 : x
  2. Step 2: Convert to fraction form
    63,763.40/95,579.04 = 21,629.36/x
  3. Step 3: Cross multiply
    63,763.40x = 95,579.04 × 21,629.36
  4. Step 4: Simplify right side
    63,763.40x = 2,067,313,464.61
  5. Step 5: Solve for x
    x = 2,067,313,464.61/63,763.40
  6. Step 6: Final answer
    x = 32,421.63

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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.