Home / 20,033.22-30,056.97-8,938.92

Finding the Fourth Proportional to 20,033.22, 30,056.97 and 8,938.92

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Solution

The fourth proportional to 20,033.22, 30,056.97 and 8,938.92 is: 13,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.22 : 30,056.97 = 8,938.92 : x
  2. Step 2: Convert to fraction form
    20,033.22/30,056.97 = 8,938.92/x
  3. Step 3: Cross multiply
    20,033.22x = 30,056.97 × 8,938.92
  4. Step 4: Simplify right side
    20,033.22x = 268,676,850.27
  5. Step 5: Solve for x
    x = 268,676,850.27/20,033.22
  6. Step 6: Final answer
    x = 13,411.57

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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.