Home / 33,072.90-45,639.81-18,924.84

Finding the Fourth Proportional to 33,072.90, 45,639.81 and 18,924.84

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Solution

The fourth proportional to 33,072.90, 45,639.81 and 18,924.84 is: 26,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.90 : 45,639.81 = 18,924.84 : x
  2. Step 2: Convert to fraction form
    33,072.90/45,639.81 = 18,924.84/x
  3. Step 3: Cross multiply
    33,072.90x = 45,639.81 × 18,924.84
  4. Step 4: Simplify right side
    33,072.90x = 863,726,101.88
  5. Step 5: Solve for x
    x = 863,726,101.88/33,072.90
  6. Step 6: Final answer
    x = 26,115.83

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1.5x scale

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.