Home / 20,005.26-30,033.81-12,624.54

Finding the Fourth Proportional to 20,005.26, 30,033.81 and 12,624.54

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Solution

The fourth proportional to 20,005.26, 30,033.81 and 12,624.54 is: 18,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.26 : 30,033.81 = 12,624.54 : x
  2. Step 2: Convert to fraction form
    20,005.26/30,033.81 = 12,624.54/x
  3. Step 3: Cross multiply
    20,005.26x = 30,033.81 × 12,624.54
  4. Step 4: Simplify right side
    20,005.26x = 379,163,035.70
  5. Step 5: Solve for x
    x = 379,163,035.70/20,005.26
  6. Step 6: Final answer
    x = 18,953.17

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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.