Home / 33,121.33-49,682.00-9,742.30

Finding the Fourth Proportional to 33,121.33, 49,682.00 and 9,742.30

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Solution

The fourth proportional to 33,121.33, 49,682.00 and 9,742.30 is: 14,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.33 : 49,682.00 = 9,742.30 : x
  2. Step 2: Convert to fraction form
    33,121.33/49,682.00 = 9,742.30/x
  3. Step 3: Cross multiply
    33,121.33x = 49,682.00 × 9,742.30
  4. Step 4: Simplify right side
    33,121.33x = 484,016,848.75
  5. Step 5: Solve for x
    x = 484,016,848.75/33,121.33
  6. Step 6: Final answer
    x = 14,613.45

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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.