Home / 40,643.97-55,964.04-35,579.85

Finding the Fourth Proportional to 40,643.97, 55,964.04 and 35,579.85

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Solution

The fourth proportional to 40,643.97, 55,964.04 and 35,579.85 is: 48,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.97 : 55,964.04 = 35,579.85 : x
  2. Step 2: Convert to fraction form
    40,643.97/55,964.04 = 35,579.85/x
  3. Step 3: Cross multiply
    40,643.97x = 55,964.04 × 35,579.85
  4. Step 4: Simplify right side
    40,643.97x = 1,991,192,148.59
  5. Step 5: Solve for x
    x = 1,991,192,148.59/40,643.97
  6. Step 6: Final answer
    x = 48,991.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.