Home / 42,449.94-63,674.91-11,288.34

Finding the Fourth Proportional to 42,449.94, 63,674.91 and 11,288.34

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Solution

The fourth proportional to 42,449.94, 63,674.91 and 11,288.34 is: 16,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.94 : 63,674.91 = 11,288.34 : x
  2. Step 2: Convert to fraction form
    42,449.94/63,674.91 = 11,288.34/x
  3. Step 3: Cross multiply
    42,449.94x = 63,674.91 × 11,288.34
  4. Step 4: Simplify right side
    42,449.94x = 718,784,033.55
  5. Step 5: Solve for x
    x = 718,784,033.55/42,449.94
  6. Step 6: Final answer
    x = 16,932.51

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Similar ratio
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1.5x scale

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.